function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function checkoutShowHide(){
	objIsUserLoggedIn=document.getElementById('isUserLoggedIn');
	var isUserLoggedIn = objIsUserLoggedIn.value;
	if (isUserLoggedIn == 1){
		document.getElementById('delivery_select').style.visibility='visible';
		document.getElementById('delivery_select').style.display='block';	
		document.getElementById('billing_select').style.visibility='visible';
		document.getElementById('billing_select').style.display='block';	
	} else {
		document.getElementById('delivery_select').style.visibility='hidden';
		document.getElementById('delivery_select').style.display='none';	
		document.getElementById('billing_select').style.visibility='hidden';
		document.getElementById('billing_select').style.display='none';	
	}
	objDeliveryAddress=document.getElementById('deliveryAddress');
	var deliveryAddress = objDeliveryAddress.value;
	if (deliveryAddress == 0){
		document.getElementById('delivery_new').style.visibility='visible';
		document.getElementById('delivery_new').style.display='block';	
	} else {
		document.getElementById('delivery_new').style.visibility='hidden';
		document.getElementById('delivery_new').style.display='none';	
	}
	objBillingAddress=document.getElementById('billingAddress');
	var billingAddress = objBillingAddress.value;
	if (billingAddress == 0){
		document.getElementById('billing_new').style.visibility='visible';
		document.getElementById('billing_new').style.display='block';	
	} else {
		document.getElementById('billing_new').style.visibility='hidden';
		document.getElementById('billing_new').style.display='none';	
	}
}

function registerShowHide(){
	objUsergroup=document.getElementById('userGroup');
	var usergroup = objUsergroup.value;
	if (usergroup == 'Other'){
		show('other_openEnded_div');
	} else {
		hide('other_openEnded_div');	
	}
	objDeliverySameAsBilling=document.getElementById('delivery_sameAsBilling');
	var delivery_sameAsBilling = objDeliverySameAsBilling.checked;
	if (delivery_sameAsBilling == true){
		document.getElementById('delivery_name_full').disabled=true;
		document.getElementById('delivery_jobTitle').disabled=true;
		document.getElementById('delivery_company').disabled=true;
		document.getElementById('delivery_local1').disabled=true;
		document.getElementById('delivery_local2').disabled=true;
		document.getElementById('delivery_city').disabled=true;
		document.getElementById('delivery_postcode').disabled=true;
		document.getElementById('delivery_country').disabled=true;
		document.getElementById('delivery_telephone').disabled=true;
		document.getElementById('delivery_mobile').disabled=true;
		document.getElementById('delivery_fax').disabled=true;
	} else {
		document.getElementById('delivery_name_full').disabled=false;
		document.getElementById('delivery_jobTitle').disabled=false;
		document.getElementById('delivery_company').disabled=false;
		document.getElementById('delivery_local1').disabled=false;
		document.getElementById('delivery_local2').disabled=false;
		document.getElementById('delivery_city').disabled=false;
		document.getElementById('delivery_postcode').disabled=false;
		document.getElementById('delivery_country').disabled=false;
		document.getElementById('delivery_telephone').disabled=false;
		document.getElementById('delivery_mobile').disabled=false;
		document.getElementById('delivery_fax').disabled=false;
	}
	return;
}

function roundNumber(rnum,dp) {
var rlength = dp;
if (rnum > 8191 && rnum < 10485) {
rnum = rnum-5000;
var newnumber = Math.round(rnum*Math.pow(10,rlength))/Math.pow(10,rlength);
newnumber = newnumber+5000;
} else {
var newnumber = Math.round(rnum*Math.pow(10,rlength))/Math.pow(10,rlength);
}
return newnumber;
}

function userfocus() {
	document.width_input.focus()
}

function c_compute(){
	varA=0 ;
	varB=0 ;

	objUOM=document.getElementById('unit_of_measure');
	var unit_of_measure = objUOM.value;
	objWI=document.getElementById('width_input');
	var width_input = objWI.value;
	objLI=document.getElementById('length_input');
	var length_input = objLI.value;
	objXYA=document.getElementById('xyArea');
	var xyArea = objXYA.value;
	objWS=document.getElementById('wasteSpares');
	var wasteSpares = objWS.value;
	objM2PP=document.getElementById('m2PerPack');
	var m2PerPack = objM2PP.value;
	objTM2=document.getElementById('totalm2');
	var total = objTM2.value;
	
	if (width_input > 0 && length_input > 0){
		cancelProcess = 0;
		if (unit_of_measure == "centimetre") {
			length_in_meters = (length_input * 0.01) ;
			width_in_meters = (width_input * 0.01) ;
		} else if (unit_of_measure == "millimetre") {
			length_in_meters = (length_input * 0.001) ;
			width_in_meters = (width_input * 0.001) ;
		} else if (unit_of_measure == "inch") {
			length_in_meters = (length_input * 0.0254) ;
			width_in_meters = (width_input * 0.0254) ;
		}else {
			length_in_meters = (length_input) ;
			width_in_meters = (width_input) ;
		}

		if (width_input !=''){
			if (length_input !='') {
				xyArea = (width_in_meters * length_in_meters) ;
				objXYA.value=xyArea;
			}
		}
		total = xyArea*(1+(parseInt(wasteSpares)/100)) ;
		wasteSpares=parseInt(wasteSpares)
		total = roundNumber(parseFloat(total), 2);
		objTM2.value=total;
	} else if (xyArea > 0){
		cancelProcess = 0;
	} else {
		cancelProcess = 1;
		numberBoxes = "" ;
		plankWidth = "" ;	
	}
	if (cancelProcess != 1){
		total = xyArea*(1+(parseInt(wasteSpares)/100)) ;
		wasteSpares=parseInt(wasteSpares)
		total = roundNumber(parseFloat(total), 2);
		objTM2.value=total;

		if (m2PerPack > 0){
			packs_required=Math.ceil(total/m2PerPack);
			objPR=document.getElementById('packs_required');
			objPR.value=packs_required;
			m2ip=roundNumber(packs_required*m2PerPack, 2);
			objPSM=document.getElementById('packs_sq_meterage');
			objPSM.value=m2ip;
			objQuantity=document.getElementById('quantity');
			objQuantity.value=packs_required;
		}
	}
}

function calculatorNotSpecial(){
	varA=0 ;
	varB=0 ;

	objUOM=document.getElementById('unit_of_measure');
	var unit_of_measure = objUOM.value;
	objWI=document.getElementById('width_input');
	var width_input = objWI.value;
	objLI=document.getElementById('length_input');
	var length_input = objLI.value;
	objXYA=document.getElementById('xyArea');
	var xyArea = objXYA.value;
	objWS=document.getElementById('wasteSpares');
	var wasteSpares = objWS.value;
	objM2PP=document.getElementById('m2PerPack');
	var m2PerPack = objM2PP.value;
	objTM2=document.getElementById('totalm2');
	var total = objTM2.value;
	objpackPrice=document.getElementById('packPrice');
	var packPrice = objpackPrice.value;
	objminimumPacks=document.getElementById('minimumPacks');
	var minimumPacks = objminimumPacks.value;

	
	if (width_input > 0 && length_input > 0){
		cancelProcess = 0;
		if (unit_of_measure == "centimetre") {
			length_in_meters = (length_input * 0.01) ;
			width_in_meters = (width_input * 0.01) ;
		} else if (unit_of_measure == "millimetre") {
			length_in_meters = (length_input * 0.001) ;
			width_in_meters = (width_input * 0.001) ;
		} else if (unit_of_measure == "inch") {
			length_in_meters = (length_input * 0.0254) ;
			width_in_meters = (width_input * 0.0254) ;
		}else {
			length_in_meters = (length_input) ;
			width_in_meters = (width_input) ;
		}

		if (width_input !=''){
			if (length_input !='') {
				xyArea = (width_in_meters * length_in_meters) ;
				objXYA.value=xyArea;
			}
		}
		total = xyArea*(1+(parseInt(wasteSpares)/100)) ;
		wasteSpares=parseInt(wasteSpares)
		total = roundNumber(parseFloat(total), 2);
		objTM2.value=total;
	} else if (xyArea > 0){
		cancelProcess = 0;
	} else {
		cancelProcess = 1;
		numberBoxes = "" ;
		plankWidth = "" ;	
	}
	if (cancelProcess != 1){
		total = xyArea*(1+(parseInt(wasteSpares)/100)) ;
		wasteSpares=parseInt(wasteSpares)
		total = roundNumber(parseFloat(total), 2);
		objTM2.value=total;

		if (m2PerPack > 0){
			packs_required=Math.ceil(total/m2PerPack);
			if (packs_required < minimumPacks){
				packs_required = minimumPacks;
			}
			price = (packs_required * packPrice);
			objPR=document.getElementById('packs_required');
			objPR.value=packs_required;
			m2ip=roundNumber(packs_required*m2PerPack, 2);
			objPSM=document.getElementById('packs_sq_meterage');
			objPSM.value=m2ip;
			objprice=document.getElementById('price');
			objprice.value=	price.toFixed(2);
;
		}
	}
}


function calculatorSpecial(){
	varA=0 ;
	varB=0 ;

	objUOM=document.getElementById('unit_of_measure');
	var unit_of_measure = objUOM.value;
	objWI=document.getElementById('width_input');
	var width_input = objWI.value;
	objLI=document.getElementById('length_input');
	var length_input = objLI.value;
	objXYA=document.getElementById('xyArea');
	var xyArea = objXYA.value;
	objWS=document.getElementById('wasteSpares');
	var wasteSpares = objWS.value;
	objM2PP=document.getElementById('m2PerPack');
	var m2PerPack = objM2PP.value;
	objTM2=document.getElementById('totalm2');
	var total = objTM2.value;
	objpackPrice=document.getElementById('packPrice');
	var packPrice = objpackPrice.value;
	objsavePerPack=document.getElementById('savePerPack');
	var savePerPack = objsavePerPack.value;
	objminimumPacks=document.getElementById('minimumPacks');
	var minimumPacks = objminimumPacks.value;
	
	if (width_input > 0 && length_input > 0){
		cancelProcess = 0;
		if (unit_of_measure == "centimetre") {
			length_in_meters = (length_input * 0.01) ;
			width_in_meters = (width_input * 0.01) ;
		} else if (unit_of_measure == "millimetre") {
			length_in_meters = (length_input * 0.001) ;
			width_in_meters = (width_input * 0.001) ;
		} else if (unit_of_measure == "inch") {
			length_in_meters = (length_input * 0.0254) ;
			width_in_meters = (width_input * 0.0254) ;
		}else {
			length_in_meters = (length_input) ;
			width_in_meters = (width_input) ;
		}

		if (width_input !=''){
			if (length_input !='') {
				xyArea = (width_in_meters * length_in_meters) ;
				objXYA.value=xyArea;
			}
		}
		total = xyArea*(1+(parseInt(wasteSpares)/100)) ;
		wasteSpares=parseInt(wasteSpares)
		total = roundNumber(parseFloat(total), 2);
		objTM2.value=total;
	} else if (xyArea > 0){
		cancelProcess = 0;
	} else {
		cancelProcess = 1;
		numberBoxes = "" ;
		plankWidth = "" ;	
	}
	if (cancelProcess != 1){
		total = xyArea*(1+(parseInt(wasteSpares)/100)) ;
		wasteSpares=parseInt(wasteSpares)
		total = roundNumber(parseFloat(total), 2);
		objTM2.value=total;

		if (m2PerPack > 0){
			packs_required=Math.ceil(total/m2PerPack);
			if (packs_required < minimumPacks){
				packs_required = minimumPacks;
			}
			price = (packs_required * packPrice);
			save = (packs_required * savePerPack);
			objPR=document.getElementById('packs_required');
			objPR.value=packs_required;
			m2ip=roundNumber(packs_required*m2PerPack, 2);
			objPSM=document.getElementById('packs_sq_meterage');
			objPSM.value=m2ip;
			objprice=document.getElementById('price');
			objprice.value=	price.toFixed(2);
			objsave=document.getElementById('save');
			objsave.value=	save.toFixed(2);
;
		}
	}
}

function openCalculator(uin,ss_m2PerPack) {
	if(document.getElementById(uin + '_attributeUin')){
		attributeUin = document.getElementById(uin + '_attributeUin').value;
	} else if (document.getElementById('attributeUin')){
		attributeUin = document.getElementById('attributeUin').value;	
	} else {
		attributeUin = 0
	}
	openNewWindow('/index.php?t=calculator-popup&uin=' + uin + '&ss_m2PerPack=' + ss_m2PerPack + '&attributeUin=' + attributeUin,300,500);
	return;
}

function jsopen(URL) {
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=400,height=500');");
}

function openNewWindow(url,width,height) {
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(url, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=" + width + ",height=" + height + "');");
}

function textCounter(field, countfield, maxlimit) {
	if (field.value.length > maxlimit) {
		field.value = field.value.substring(0, maxlimit);
	} else {
		countfield.value = maxlimit - field.value.length;
	}
}

function checkShopItemAttributeSelected(thisform,attributeTitle){
	with (thisform){
		if (checkShopItemAttributeSelectedPart2(attributeUin,'Please select your chosen ' + attributeTitle + '.')==false){
			attributeUin.focus();
			return false;
		}
	}
}

function checkShopItemAttributeSelectedPart2(field,alerttxt){
	with (field){
		  if (value==null||value==""||value=="0") {
		  	alert(alerttxt);
		  	return false;
		  } else {
			  return true;
		  }
	}
}

function shopItem_tab(whatToShow){
	if (whatToShow == 'infoSpec'){
		document['tab_infoSpec'].src='/assets/PRODUCT-TABS1.jpg';
		show('infoSpec');
		document['tab_shopItemImages'].src='/assets/PRODUCT-TABS2-G.jpg';
		hide('shopItemImages');
		document['tab_delivery'].src='/assets/PRODUCT-TABS3-G.jpg';
		hide('delivery');
		document['tab_alternativeItems'].src='/assets/PRODUCT-TABS4-G.jpg';
		hide('alternativeItems');
		document['tab_accessories'].src='/assets/PRODUCT-TABS5-G.jpg';
		hide('accessories');
		document['tab_installation'].src='/assets/PRODUCT-TABS6-G.jpg';
		hide('installation');
	} else if (whatToShow == 'shopItemImages'){
		document['tab_infoSpec'].src='/assets/PRODUCT-TABS1-G.jpg';
		hide('infoSpec');
		document['tab_shopItemImages'].src='/assets/PRODUCT-TABS2.jpg';
		show('shopItemImages');
		document['tab_delivery'].src='/assets/PRODUCT-TABS3-G.jpg';
		hide('delivery');
		document['tab_alternativeItems'].src='/assets/PRODUCT-TABS4-G.jpg';
		hide('alternativeItems');
		document['tab_accessories'].src='/assets/PRODUCT-TABS5-G.jpg';
		hide('accessories');
		document['tab_installation'].src='/assets/PRODUCT-TABS6-G.jpg';
		hide('installation');
	} else if (whatToShow == 'delivery'){
		document['tab_infoSpec'].src='/assets/PRODUCT-TABS1-G.jpg';
		hide('infoSpec');
		document['tab_shopItemImages'].src='/assets/PRODUCT-TABS2-G.jpg';
		hide('shopItemImages');
		document['tab_delivery'].src='/assets/PRODUCT-TABS3.jpg';
		show('delivery');
		document['tab_alternativeItems'].src='/assets/PRODUCT-TABS4-G.jpg';
		hide('alternativeItems');
		document['tab_accessories'].src='/assets/PRODUCT-TABS5-G.jpg';
		hide('accessories');
		document['tab_installation'].src='/assets/PRODUCT-TABS6-G.jpg';
		hide('installation');
	} else if (whatToShow == 'alternativeItems'){
		document['tab_infoSpec'].src='/assets/PRODUCT-TABS1-G.jpg';
		hide('infoSpec');
		document['tab_shopItemImages'].src='/assets/PRODUCT-TABS2-G.jpg';
		hide('shopItemImages');
		document['tab_delivery'].src='/assets/PRODUCT-TABS3-G.jpg';
		hide('delivery');
		document['tab_alternativeItems'].src='/assets/PRODUCT-TABS4.jpg';
		show('alternativeItems');
		document['tab_accessories'].src='/assets/PRODUCT-TABS5-G.jpg';
		hide('accessories');
		document['tab_installation'].src='/assets/PRODUCT-TABS6-G.jpg';
		hide('installation');
	} else if (whatToShow == 'accessories'){
		document['tab_infoSpec'].src='/assets/PRODUCT-TABS1-G.jpg';
		hide('infoSpec');
		document['tab_shopItemImages'].src='/assets/PRODUCT-TABS2-G.jpg';
		hide('shopItemImages');
		document['tab_delivery'].src='/assets/PRODUCT-TABS3-G.jpg';
		hide('delivery');
		document['tab_alternativeItems'].src='/assets/PRODUCT-TABS4-G.jpg';
		hide('alternativeItems');
		document['tab_accessories'].src='/assets/PRODUCT-TABS5.jpg';
		show('accessories');
		document['tab_installation'].src='/assets/PRODUCT-TABS6-G.jpg';
		hide('installation');
		if(document.getElementById('recommendedAccessoryCategorySelected')){
			obj_recommendedAccessoryCategorySelected=document.getElementById('recommendedAccessoryCategorySelected');
			var recommendedAccessoryCategorySelected = obj_recommendedAccessoryCategorySelected.value;		
			document.getElementById('recommendedAccessoryCategory' + recommendedAccessoryCategorySelected + 'Thumbnail').style.border='2px #FF8800 solid';
		}
	} else if (whatToShow == 'installation'){
		document['tab_infoSpec'].src='/assets/PRODUCT-TABS1-G.jpg';
		hide('infoSpec');
		document['tab_shopItemImages'].src='/assets/PRODUCT-TABS2-G.jpg';
		hide('shopItemImages');
		document['tab_delivery'].src='/assets/PRODUCT-TABS3-G.jpg';
		hide('delivery');
		document['tab_alternativeItems'].src='/assets/PRODUCT-TABS4-G.jpg';
		hide('alternativeItems');
		document['tab_accessories'].src='/assets/PRODUCT-TABS5-G.jpg';
		hide('accessories');
		document['tab_installation'].src='/assets/PRODUCT-TABS6.jpg';
		show('installation');
	}
	setCookie('shopItem_tab_preference',whatToShow,7)
	return;
}

function show(id){
	if (document.getElementById){
		obj = document.getElementById(id);
		obj.style.visibility = 'visible';
		obj.style.display = '';
	}	
}

function hide(id){
	if (document.getElementById){
		obj = document.getElementById(id);
		obj.style.visibility = 'hidden';
		obj.style.display = 'none';
	}	
}

function showhide(id){
	if (document.getElementById){
		obj = document.getElementById(id);
		if (obj.style.display == "none"){
			obj.style.display = "";
		} else {
			obj.style.display = "none";
		}
	}	
}

function setCookie(c_name,value,exdays){
	var exdate=new Date();
	exdate.setDate(exdate.getDate() + exdays);
	var c_value=escape(value) + ((exdays==null) ? "" : "; expires="+exdate.toUTCString());
	document.cookie=c_name + "=" + c_value;
}

function external_blank() {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external"){
			anchor.target = "_blank";
		}
	}
}
window.onload = external_blank;