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, caption){
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)
 }
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 id="dragbar" align="center" style="width:'+imgwidth+'px"><span style="float:right;cursor:hand;cursor:pointer;" id="closetext" onClick="closepreview()"><img src="/products/images/x.gif" alt="Close" width="21" height="20" border="0" /></span><span id="dragcaption">'+caption+'</span></div><img src="'+which+'">'
crossobj.style.visibility="visible"
crossobj.style.zIndex=100000
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" || ie&&event.srcElement.id=="dragcaption")||(ns6&&e.target.id=="dragbar" || ns6&&e.target.id=="dragcaption")){
  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")