function updateCat(img, item, cover, mover, qtyid, untid, priceid )
{
	var qty=document.getElementById(qtyid).value;
	var unt=document.getElementById(untid).value;
	var price=document.getElementById(priceid).value;
	var cnt=document.getElementById("catcount").value;
	var isnum=isNum(document.getElementById(qtyid));
	if (isnum)
	{
		document.getElementById(qtyid).style.backgroundColor="FFFFFF";
		var aImg=img.src.split("/");	
		if (aImg[aImg.length-1]=="Shopping_Cart_Normal.gif" || aImg[aImg.length-1]=="Shopping_Cart_Roll_Over.gif") 
		{
			addCat(qty+"!"+unt+"!"+item+"!"+price+"!*");
			img.src=mover; 
			cnt++;
		}
		else
		{
			removeCat(item);
			img.src=cover; 
			cnt--;
		}
		if (cnt>0)
		{
			// parent.document.all["topcart"].innerHTML=cnt; // when use ifram for display area
			document.all["topcart"].innerHTML="<a href='myaccount.php?tomyaccount=T'><img src='./images/icons/cart_whiteold.gif' border=0 onmouseover="+String.fromCharCode(34)+"Tip('Check out');"+
				String.fromCharCode(34)+" onmouseout='UnTip();'></a>"+cnt;
		}
		else
		{
			//parent.document.all["topcart"].innerHTML="&nbsp;";
			document.all["topcart"].innerHTML="<a href='#'><img src='./images/icons/cart_whiteold.gif' border=0 onmouseover="+String.fromCharCode(34)+"Tip('The cart is empty');"+
				String.fromCharCode(34)+" onmouseout='UnTip();'></a>&nbsp;";
		}
		document.getElementById("catcount").value=cnt;
	}
}

function updateCatAndCheckout(qtyid,untid,price,item)
{
	var qty=document.getElementById(qtyid).value;
	var unt=document.getElementById(untid).value;
	if (isNum(document.getElementById(qtyid)))
	{
		var aimage=document.getElementById("img"+qtyid).src.split("/");
		aimage=aimage[aimage.length-1];
		if (aimage=="Shopping_Cart_Normal.gif" || aimage=="Shopping_Cart_Roll_Over.gif")
		{
		//alert(qty+"!"+unt+"!"+item+"!"+price+"!*");
		addCat(qty+"!"+unt+"!"+item+"!"+price+"!*");
		}
		document.location='myaccount.php?tomyaccount=T';
	}
	else
		return false;
}
function checkicon(id,cicon,cover,micon,mover)
{
	var aImg=id.src.split("/");
	if (aImg[aImg.length-1]=="Shopping_Cart_Normal.gif")
		id.src=cover;
	else if (aImg[aImg.length-1]=="Shopping_Cart_Roll_Over.gif")
		id.src=cicon;
	if (aImg[aImg.length-1]=="OK_Normal.gif")
		id.src=mover;
	else if (aImg[aImg.length-1]=="OK_Roll_Over.gif")
		id.src=micon;
}

function checkChange(id, unitid, qtyid,valid,perctn,unitprice)
{
//		$cost=($cart[$ic]["unit"]=="CTNS"?$cart[$ic]["quantity"]*$cart[$ic]["pieces_carton"]:$cart[$ic]["quantity"])*$cart[$ic]["unitprice"];
	var qty=document.getElementById(qtyid).value;
	var unt=document.getElementById(unitid).value;
	var cost;
	if (qty!="" && qty!=0)
	{
		if (unt=="CTNS")
		{
			cost=qty*perctn*unitprice;
		}
		else
		{
			cost=qty*unitprice;
		}
		changeCat(id,unt,qty);
		document.all[valid].innerHTML=cost.toFixed(2); 
	}
}