/*** Functions for Image Popup ***/
var ie = document.all
var ns6 = document.getElementById && !document.all

function ietruebody()
{
	return (document.compatMode && document.compatMode!="BackCompat" && !window.opera)? document.documentElement : document.body
}

function enlarge(which, e, position, imgwidth, imgheight)
{
	if (ie || ns6)
	{
		crossobj=document.getElementById? document.getElementById("showimage") : document.all.showimage
		if (position == "center")
		{
			//pgyoffset=ns6? parseInt(pageYOffset) : parseInt(ietruebody().scrollTop)
			//horzpos=ns6? pageXOffset+window.innerWidth/2-imgwidth/2 : ietruebody().scrollLeft+ietruebody().clientWidth/2-imgwidth/2
			//vertpos=ns6? pgyoffset+window.innerHeight/2-imgheight/2 : pgyoffset+ietruebody().clientHeight/2-imgheight/2
			//if (window.opera && window.innerHeight) //compensate for Opera toolbar
			//	vertpos=pgyoffset+window.innerHeight/2-imgheight/2
			//vertpos=Math.max(pgyoffset, vertpos)
			var horzpos = 300
			var vertpos = 100
		}
		else
		{
			var horzpos=ns6? pageXOffset+e.clientX : ietruebody().scrollLeft+event.clientX
			var vertpos=ns6? pageYOffset+e.clientY : ietruebody().scrollTop+event.clientY
		}
		crossobj.style.left=horzpos+"px"
		crossobj.style.top=vertpos+"px"
		crossobj.innerHTML='<div align="right" id="dragbar"><span id="closetext" onClick="closepreview()">Close</span> </div><img src="'+which+'">'
		crossobj.style.visibility="visible"
		return false
	}
	else //if NOT IE 4+ or NS 6+, simply display image in full browser window
		return true
}

function closepreview()
{
	crossobj.style.visibility="hidden"
}

function drag_drop(e)
{
	if (ie&&dragapproved)
	{
		crossobj.style.left=tempx+event.clientX-offsetx+"px"
		crossobj.style.top=tempy+event.clientY-offsety+"px"
	}
	else if (ns6&&dragapproved)
	{
		crossobj.style.left=tempx+e.clientX-offsetx+"px"
		crossobj.style.top=tempy+e.clientY-offsety+"px"
	}
	return false
}

function initializedrag(e)
{
	if (ie&&event.srcElement.id=="dragbar"||ns6&&e.target.id=="dragbar")
	{
		offsetx=ie? event.clientX : e.clientX
		offsety=ie? event.clientY : e.clientY
		
		tempx=parseInt(crossobj.style.left)
		tempy=parseInt(crossobj.style.top)
		
		dragapproved=true
		document.onmousemove=drag_drop
	}
}

document.onmousedown = initializedrag
document.onmouseup = new Function("dragapproved=false")

/*** Dropdown Menu Script ***/
var disappeardelay=100  //menu disappear speed onMouseout (in miliseconds)
var enableanchorlink=0 //Enable or disable the anchor link when clicked on? (1=e, 0=d)
var hidemenu_onclick=1 //hide menu when user clicks within menu? (1=yes, 0=no)

var ie5=document.all
var ns6=document.getElementById&&!document.all

function getposOffset(what, offsettype)
{
	var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
	var parentEl=what.offsetParent;
	while (parentEl!=null)
	{
		totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
		parentEl=parentEl.offsetParent;
	}
	return totaloffset;
}

function showhide(obj, e, visible, hidden)
{
	if (ie5||ns6)
		dropmenuobj.style.left=dropmenuobj.style.top=-500
	if (dropmenuobj.innerHTML == "") return;
	if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
		obj.visibility=visible
	else if (e.type=="click")
		obj.visibility=hidden
}

function iecompattest()
{
	return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function clearbrowseredge(obj, whichedge)
{
	var edgeoffset=0
	if (whichedge=="rightedge")
	{
		var windowedge=ie5 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
		dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
		if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
			edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth
	}
	else
	{
		var topedge=ie5 && !window.opera? iecompattest().scrollTop : window.pageYOffset
		var windowedge=ie5 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
		dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
		if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure)
		{ //move up?
			edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
			if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either?
				edgeoffset=dropmenuobj.y+obj.offsetHeight-topedge
		}
	}
	return edgeoffset
}

function dropdownmenu(obj, e, dropmenuID)
{
	if (window.event) event.cancelBubble=true
	else if (e.stopPropagation) e.stopPropagation()
	if (typeof dropmenuobj!="undefined") //hide previous menu
		dropmenuobj.style.visibility="hidden"
	clearhidemenu()
	if (ie5||ns6)
	{
		obj.onmouseout=delayhidemenu
		dropmenuobj=document.getElementById(dropmenuID)
		if (hidemenu_onclick) dropmenuobj.onclick=function(){dropmenuobj.style.visibility='hidden'}
		dropmenuobj.onmouseover=clearhidemenu
		dropmenuobj.onmouseout=ie5? function(){ dynamichide(event)} : function(event){ dynamichide(event)}
		showhide(dropmenuobj.style, e, "visible", "hidden")
		dropmenuobj.x=getposOffset(obj, "left")
		dropmenuobj.y=getposOffset(obj, "top")
		//dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
		//dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"
		dropmenuobj.style.left=dropmenuobj.x+obj.offsetWidth+"px"
		dropmenuobj.style.top=dropmenuobj.y+"px"
	}
	return clickreturnvalue()
}

function clickreturnvalue()
{
	if ((ie5||ns6) && !enableanchorlink) return false
	else return true
}

function contains_ns6(a, b) 
{
	while (b.parentNode)
		if ((b = b.parentNode) == a)
			return true;
	return false;
}

function dynamichide(e)
{
	if (ie5&&!dropmenuobj.contains(e.toElement))
		delayhidemenu()
	else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
		delayhidemenu()
}

function delayhidemenu()
{
	delayhide=setTimeout("dropmenuobj.style.visibility='hidden'",disappeardelay)
}

function clearhidemenu()
{
	if (typeof delayhide!="undefined")
		clearTimeout(delayhide)
}

/*** Overlay Window Script ***/
function getposOffset(overlay, offsettype)
{
	var totaloffset=(offsettype=="left")? overlay.offsetLeft : overlay.offsetTop;
	var parentEl=overlay.offsetParent;
	while (parentEl!=null)
	{
		totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
		parentEl=parentEl.offsetParent;
	}
	return totaloffset;
}

function overlay(curobj, subobjstr, opt_position)
{
	if (document.getElementById)
	{
		var subobj=document.getElementById(subobjstr);
		subobj.style.display=(subobj.style.display!="block")? "block" : "none";
		var xpos=getposOffset(curobj, "left")+((typeof opt_position!="undefined" && opt_position.indexOf("right")!=-1)? -(subobj.offsetWidth-curobj.offsetWidth) : 0);
		var ypos=getposOffset(curobj, "top")+((typeof opt_position!="undefined" && opt_position.indexOf("bottom")!=-1)? curobj.offsetHeight : 0);
		subobj.style.left = xpos+"px";
		subobj.style.top = ypos+"px";
		return false;
	}
	else
		return true;
}

function overlayclose(subobj)
{
	document.getElementById(subobj).style.display = "none";
}

function disable(theform)
{
	//if IE 4+ or NS 6+
	if (document.all || document.getElementById)
	{
		//screen thru every element in the form, and hunt down "submit" and "reset"
		for (i=0; i<theform.length; i++)
		{
			var tempobj = theform.elements[i];
			//alert(tempobj.type);
			if (tempobj.type == "submit" || tempobj.type == "button")// || tempobj.type == "select-one" || tempobj.type == "text" || tempobj.type == "checkbox")
			{
				//tempobj.disabled = true;
				tempobj.style.display = "none";
			}
		}
	}
}

/*** Out of Stock Notification Popup ***/
function NotifyStock(sItemID){
	var sURL = "Inquiry.aspx?ItemID=" + sItemID;
	var sFeatures = "directories=no,height=320,width=320,top=150,left=300,location=no,menubar=no,resisable=no,scrollbars=no,status=no,statusbar=no,titlebar=no,toolbar=no";
	var oWin = window.open(sURL,"Notify",sFeatures);}