function setMen (parval,childval,status) {
	var isie = document.all ? true:false;
	/*Gaz's simple DHTML menu :-)  */
	if (status == '1') {divstat='visible';cdivstat='hidden'};
	if (status == '0') {divstat='hidden';cdivstat='visible'};
        var childObj=document.getElementById(childval);
        var parObj=document.getElementById(parval);
	var tabObj=document.getElementById('gaz1');
	var bodyObj=document.getElementById('mainbd');
	var amx=parObj.offsetLeft;
	var amy=parObj.offsetTop
	var amw=parObj.clientWidth;
	var tmx=tabObj.offsetLeft;
	var tmy=childObj.clientHeight;
	var bmy=bodyObj.clientHeight;
	var xoff=161;
	var yoff=97;
	if (isie == true){
	var yoff=115;
	}
	amx=amx+tmx+xoff;
	amy=amy+yoff;
	tmy=tmy+amy;
	if (tmy > bmy) {
		amy=amy-(tmy-bmy);
	}	
	childObj.style.left=amx;
	childObj.style.top=amy;
	childObj.style.visibility=divstat;
}
function bgCol(parval,status){
	var parObj=document.getElementById(parval);
	parObj.style.left=100;
}

function setCardType (afilename,ctype) {
	document.cardtype.src=afilename;
	if (ctype == "SWITCH") {
	document.checkout.ValidFromMonth.disabled=false;
	document.checkout.ValidFromYear.disabled=false;
	document.checkout.IssueNumber.disabled=false;
	} else {
	document.checkout.ValidFromMonth.disabled=true;
	document.checkout.ValidFromYear.disabled=true;
	document.checkout.IssueNumber.disabled=true;
	}
	document.checkout.CardType.value=ctype;
	
	
}
function PopulatePostCode (postcode) {
//      window.open("/rp?type=I&postcode="+postcode);
        document.getElementById('syscalls').src="/rp?type=I&postcode="+postcode;
}
function PopulatePostCodeD (postcode) {
//      window.open("/rp?type=D&postcode="+postcode);
        document.getElementById('syscalls').src="/rp?type=D&postcode="+postcode;
}

function ChangeQty (elementID,myQty) {
        var oVDiv=document.getElementById(elementID);
	if(myQty<0 && oVDiv.value>1) oVDiv.value--;
	if(myQty>0) oVDiv.value++;
}
function ChangeQtyL (elementID,myQty,partno) {
        var oVDiv=document.getElementById(elementID);
	if(myQty<0 && oVDiv.value>1) {
	oVDiv.value--;
	window.location='/rp/basket/'+partno+'.htm?QtyAdd='+oVDiv.value;
	}
	if(myQty>0) {
	oVDiv.value++;
	window.location='/rp/basket/'+partno+'.htm?QtyAdd='+oVDiv.value;
	}
}

function checkNumeric(objName,minval, maxval,comma,period,hyphen)
{
	var numberfield = objName;
	if (chkNumeric(objName,minval,maxval,comma,period,hyphen) == false)
	{
		numberfield.select();
		numberfield.focus();
		return false;
	}
	else
	{
		return true;
	}
}

function chkMail(obj)
{
var str = obj.value;
if ((! (str.indexOf(".") > 2 && str.indexOf("@") > 0) || str.indexOf(",")>0) && str.length > 0) 
{
alert("Please enter a valid Email address");
obj.focus();
return;
}
}

function chkNum(objName)
{
var checkOK = "0123456789";
var checkStr = objName;
var allValid = true;
var decPoints = 0;
var allNum = "";

for (i = 0;  i < checkStr.value.length;  i++)
{
ch = checkStr.value.charAt(i);
for (j = 0;  j < checkOK.length;  j++)
if (ch == checkOK.charAt(j)) break;
if (j == checkOK.length ||checkStr.value.length < 11)
{
allValid = false;
break;
}
}

if (!allValid) 
{	
alertsay = "Please enter a valid telephone number"
alert(alertsay);
checkStr.focus();
return;
}
}