<!--
//Put by Vicky on 20/04/09. Purpose is to identify which product image to enlarge from buy_diamonds.php
currImg='1';
function currentImage(ptr)
{
	currImg=ptr.id;
}
//End of code by Vicky
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 doShowSubcat(intID){
	var d=document.getElementsByTagName('span');
	for (var i=0;i<d.length;i++){
		if (/^menu\_/.test(d[i].id)){
			arrTemp = d[i].id.split("_");
			if(arrTemp[1] == intID){
				document.getElementById('coll_'+arrTemp[1]).style.fontWeight='bold';
				document.getElementById('menu_'+arrTemp[1]).style.display='block';
			}
			else{
				document.getElementById('coll_'+arrTemp[1]).style.fontWeight='normal';
				document.getElementById('menu_'+arrTemp[1]).style.display='none';
			}
		}
	}
	return false;
}


function openWindow(theURL,winName,features, myWidth, myHeight, isCenter){
	if(window.screen)if(isCenter)if(isCenter=="true"){
		var myLeft = (screen.width-myWidth)/2;
		var myTop = (screen.height-myHeight)/2;
		features+=(features!='')?',':'';
		features+=',left='+myLeft+',top='+myTop;
	}
	//Put by Vicky on 20/04/09. Purpose is to add extra string only to URLs which enlarge product images from buy_diamonds.php
	if(theURL.indexOf("image.php")!="-1") 
		theURL=theURL+'&pic='+currImg;
	//End of code by Vicky
	window.open(theURL,winName,features+((features!='')?',':'')+'width='+myWidth+',height='+myHeight);
}

function doValidateSearch(objF){
	if((!objF.search.value)||(objF.search.value=='Product Search:')){
		alert("Please enter your search criteria.");
		objF.search.focus();
		return false;
	}
}

function doValidateMailing(objF){
	if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(objF.email.value)){
			alert("Please enter a valid email address.");
		objF.email.focus();
		return false;
	}
}

function doValidateLogin(objF){
	if((!objF.username.value)||(objF.username.value=='User Name:')){
		alert("Please enter your username.");
		objF.username.focus();
		return false;
	}
	if((!objF.password.value)||(objF.password.value=='Password:')){
		alert("Please enter your password.");
		objF.password.focus();
		return false;
	}
}

function doValidatePayment(objF){
	var intChecked = 0;
	for(i=0;i<=5;i++){
		if(typeof(objF.payment_method[i]) != "undefined"){
			if(objF.payment_method[i].checked){
				intChecked++;
			}
		}
	}
	if(intChecked == 0){
		alert('Please select a payment option');
		return false;
	}
}

function doValidateBasket(objF){
	if(typeof(objF.ringsize) != "undefined"){
		if(!objF.ringsize.value){
			alert('Please select a ring size');
			return false;
		}
	}
}

function doValidateFriend(objF){
	if (!objF.name_e.value){
		alert("Please enter your name.");
		objF.name_e.focus();
		return false;
	}
	if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(objF.email_e.value)){
			alert("Please enter a valid email address yourself.");
		objF.email_e.focus();
		return false;
	}
	if (!objF.name_f.value){
		alert("Please enter your friend's name.");
		objF.name_f.focus();
		return false;
	}
	if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(objF.email_f.value)){
			alert("Please enter a valid email address your friend.");
		objF.email_f.focus();
		return false;
	}
}

function doValidateAccount(objF){
	if(!objF.forename.value){
		alert("Please enter your forename.");
		objF.forename.focus();
		return false;
	}
	if(!objF.surname.value){
		alert("Please enter your surname.");
		objF.surname.focus();
		return false;
	}
	if((!objF.house_number.value)&&(!objF.flat_number.value)&&(!objF.house_name.value)){
		alert("Please enter a house number, flat number or house name.");
		objF.house_number.focus();
		return false;
	}
	if(!objF.street.value){
		alert("Please enter your street name.");
		objF.street.focus();
		return false;
	}
	if(!objF.area.value){
		alert("Please enter your address area.");
		objF.area.focus();
		return false;
	}
	if(!objF.town.value){
		alert("Please enter your town.");
		objF.town.focus();
		return false;
	}
	if(!objF.postcode.value){
		alert("Please enter your postcode.");
		objF.postcode.focus();
		return false;
	}
	if(!objF.country.value){
		alert("Please select your country.");
		objF.country.focus();
		return false;
	}
	if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(objF.email.value)){
			alert("Please enter a valid email address.");
		objF.email.focus();
		return false;
	}
	if(objF.password.value.length < 6){
		alert("Please enter a password of at least 6 characters.");
		objF.password.focus();
		return false;
	}
	else{
		if(objF.password.value != objF.confirm.value){
			alert("Password and confirmation do not match.");
			objF.confirm.focus();
			return false;
		}
	}
}


function doValidateCheckout(objF){
	if(!objF.forename.value){
		alert("Please enter your forename.");
		objF.forename.focus();
		return false;
	}
	if(!objF.surname.value){
		alert("Please enter your surname.");
		objF.surname.focus();
		return false;
	}
	if((!objF.house_number.value)&&(!objF.flat_number.value)&&(!objF.house_name.value)){
		alert("Please enter a house number, flat number or house name.");
		objF.house_number.focus();
		return false;
	}
	if(!objF.street.value){
		alert("Please enter your street name.");
		objF.street.focus();
		return false;
	}
	if(!objF.area.value){
		alert("Please enter your address area.");
		objF.area.focus();
		return false;
	}
	if(!objF.town.value){
		alert("Please enter your town.");
		objF.town.focus();
		return false;
	}
	if(!objF.postcode.value){
		alert("Please enter your postcode.");
		objF.postcode.focus();
		return false;
	}
	if(!objF.country.value){
		alert("Please select your country.");
		objF.country.focus();
		return false;
	}
	if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(objF.email.value)){
			alert("Please enter a valid email address.");
		objF.email.focus();
		return false;
	}
}

function doValidateRegister(objF){
	if(!objF.forename.value){
		alert("Please enter your forename.");
		objF.forename.focus();
		return false;
	}
	if(!objF.surname.value){
		alert("Please enter your surname.");
		objF.surname.focus();
		return false;
	}
	if((!objF.house_number.value)&&(!objF.flat_number.value)&&(!objF.house_name.value)){
		alert("Please enter a house number, flat number or house name.");
		objF.house_number.focus();
		return false;
	}
	if(!objF.street.value){
		alert("Please enter your street name.");
		objF.street.focus();
		return false;
	}
	if(!objF.area.value){
		alert("Please enter your address area.");
		objF.area.focus();
		return false;
	}
	if(!objF.town.value){
		alert("Please enter your town.");
		objF.town.focus();
		return false;
	}
	if(!objF.postcode.value){
		alert("Please enter your postcode.");
		objF.postcode.focus();
		return false;
	}
	if(!objF.country.value){
		alert("Please select your country.");
		objF.country.focus();
		return false;
	}
	if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(objF.email.value)){
			alert("Please enter a valid email address.");
		objF.email.focus();
		return false;
	}
	if(objF.username.value.length < 6){
		alert("Please enter a username of at least 6 characters.");
		objF.username.focus();
		return false;
	}
	if(objF.password.value.length < 6){
		alert("Please enter a password of at least 6 characters.");
		objF.password.focus();
		return false;
	}
	else{
		if(objF.password.value != objF.confirm.value){
			alert("Password and confirmation do not match.");
			objF.confirm.focus();
			return false;
		}
	}
	if((!objF.referer.value)&&(!objF.referer_other.value)){
		alert("Please specify where you found us.");
		objF.referer.focus();
		return false;
	}
}

function doValidateRegisterTrade(objF){
	if(!objF.forename.value){
		alert("Please enter your forename.");
		objF.forename.focus();
		return false;
	}
	if(!objF.surname.value){
		alert("Please enter your surname.");
		objF.surname.focus();
		return false;
	}
	if((!objF.house_number.value)&&(!objF.flat_number.value)&&(!objF.house_name.value)){
		alert("Please enter a house number, flat number or house name.");
		objF.house_number.focus();
		return false;
	}
	if(!objF.street.value){
		alert("Please enter your street name.");
		objF.street.focus();
		return false;
	}
	if(!objF.area.value){
		alert("Please enter your address area.");
		objF.area.focus();
		return false;
	}
	if(!objF.town.value){
		alert("Please enter your town.");
		objF.town.focus();
		return false;
	}
	if(!objF.postcode.value){
		alert("Please enter your postcode.");
		objF.postcode.focus();
		return false;
	}
	if(!objF.country.value){
		alert("Please select your country.");
		objF.country.focus();
		return false;
	}
	if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(objF.email.value)){
			alert("Please enter a valid email address.");
		objF.email.focus();
		return false;
	}
}

function doSwapContent(objT,strDefault,intAction){
	if(intAction == 1){
		if(objT.value == strDefault){
			objT.value = '';
		}
	}
	else if(intAction == 2){
		if(objT.value == ''){
			objT.value = strDefault;
		}
	}
}

function doHiliteRow(intID){
	for(i=1;i<=6;i++){
		document.getElementById('prow_'+i).style.backgroundColor='#f5f5f5';
	}
	document.getElementById('prow_'+intID).style.backgroundColor='#eeeeee';
}

function doCalculateCredit(strGroup,decPrice){
	openWindow('https://www1.creditenabler.com/able2buy/webjsp/autocalc.jsp?cgid='+strGroup+'&price='+decPrice+'&id=67991','Finance','toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no','550','350','true');
	return false;
}

function doValidateEnquiry(objF){
	if(!objF.name.value){
		alert("Please enter your name.");
		objF.name.focus();
		return false;
	}
	if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(objF.email.value)){
			alert("Please enter a valid email address.");
		objF.email.focus();
		return false;
	}
	if(!objF.enquiry.value){
		alert("Please specify your enquiry.");
		objF.enquiry.focus();
		return false;
	}
}

function doValidateQuote(objF){
	if(!objF.name.value){
		alert("Please enter your name.");
		objF.name.focus();
		return false;
	}
	if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(objF.email.value)){
			alert("Please enter a valid email address.");
		objF.email.focus();
		return false;
	}
	if(!objF.telephone.value){
		alert("Please enter a contact telephone number.");
		objF.telephone.focus();
		return false;
	}
	if(!objF.description.value){
		alert("Please enter a description of the item you would like to purchase.");
		objF.description.focus();
		return false;
	}
}

function doShowSubCats(intID){
	var objM = document.getElementById('menu_'+intID);
	if(objM != null){
		if(objM.innerHTML < 20){
			return true;
		}
		if(objM.style.display == 'none'){
			objM.style.display = 'block';
		}
		else{
			objM.style.display = 'none';
		}
		
	}
	return false;
	
	/*
		for(var i=0;i<=50;i++){
			if(document.getElementById('menu_'+i) != null){
				if(intID == i){
					document.getElementById('menu_'+i).style.display='block';
				if(document.getElementById('menu_'+i).innerHTML.length < 10){
					return true;
				}
			}
			else{
				document.getElementById('menu_'+i).style.display='none';
			}
		}
	}
	
	return false;
	*/
}

//-->