function AddtoCart()
{
	var flag = false;
	var chks = document.getElementsByTagName("input");
	var IdList = "";
	var code = "";
	var qty = "";
	var index = "";
	var reg = /^([1-9](\d+)?|0)(\.\d+)?$/;
	var qtyValid = true;
	for(var i = 0; i < chks.length; i++)
	{
		if(chks[i].type == "checkbox" && chks[i].id.substr(chks[i].id.length - 3, 3) == "chk")
		{
		    if (chks[i].checked == true)
			{
				index = chks[i].id.substr(22, 1);
				code = $Obj("ctl00_CPH_rptSize_ctl0" + index + "_hidId").value;
				qty = $Obj("ctl00_CPH_rptSize_ctl0" + index + "_txtQty").value;
				if(reg.test(qty) == false)
				{
					qtyValid = false;
				}
				IdList += code + "|" + qty + ",";
				flag = true;
			}
		}
	}
	if(qtyValid == false)
	{
		alert("Please input valid quantity.");
		return;
	}
	if(flag == false)
	{
		alert("Please choose size, try again.");
		return;
	}
	else
	{
		var ajax = GetObjects();
		var v = IdList + "-" + $Obj("ctl00_CPH_hidCatID").value;
		v = escape(v);
		var url = "/Common/XmlHttpRequest.aspx?type=detailinpqty&checkvalue=" + v;
		ajax.open("POST", url, false);
		ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded;");
		ajax.send(v);

		if (ajax.responseText == "true") {

		    $("spanmsg").innerHTML = "The painting has been added to Shopping Cart !";
		    $("btnDone").value = "Continue Shopping";
		    $("btnDone").style.width = "135px";
		    $Obj("btnGo").style.display = 'none';
		    $Obj("btnGoCart").style.display = '';
		    ShowWindow(350, 130, 'msgadded');
		}
		else
		    alert("Please input valid quantity.");
	}
}

function openTellaFriendForm(parm)
{
	var winHeight = 513;
	var winWeight = 416;
	var winTop = 100;
	var winLeft = 100;
	var cw = document.documentElement.clientWidth;
    var ch = document.documentElement.clientHeight;
	if(winHeight < ch)
	{
		winTop = eval((ch - winHeight) / 2) + document.documentElement.scrollTop + "px";
	}
	else
	{
		winTop = 10;
	}
	
    if(winWeight < cw)
    {
		winLeft = eval((cw - winWeight) / 2) + "px";
	}
	window.open("/Paintings/EmailFriend.aspx" + parm, "SendFriends", "height=" + winHeight + ",width=" + winWeight + ",top=" + winTop + ",left=" + winLeft + ",toolbar=no,menubar=no,scrollbars=no,resizable=no,location=no,status=no");
}