//Define PopupWindow process
function winopen(filenamewtoken,winWidth,winHeight,whichwindow) {
	closechild(); 
 	if (document.all) {	var xMax = screen.width, yMax = screen.height;
    } else {
		if (document.layers) { var xMax = window.outerWidth, yMax = window.outerHeight;
        } else { var xMax = 800, yMax=600; }
	}
	var xOffset = (xMax - winWidth)/2, yOffset = ((yMax - winHeight)/2) - 30;
	//Whichwindow == 1 -- No Scrolls, no Menu
	//Whichwindow == 2 -- Scrolls, no Menu
	//Whichwindow == 3 -- Scrolls, Menu
	//Whichwindow == 4 -- Custom: for shopping cart popup window
	if (whichwindow == 1) { PopupWindow = window.open(filenamewtoken,'PopupWindow', 'screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,hotkeys=no,resizable=no,width='+winWidth+',height='+winHeight+'');
	} else if (whichwindow == 2) { PopupWindow = window.open(filenamewtoken,'PopupWindow', 'screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,hotkeys=no,resizable=no,width='+winWidth+',height='+winHeight+'');
	} else if (whichwindow == 4) { PopupWindow = window.open(filenamewtoken,'PopupWindow', 'screenX='+1+',screenY='+yOffset+',top='+yOffset+',left='+1+',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,hotkeys=no,resizable=no,width='+winWidth+',height='+winHeight+'');
	} else { PopupWindow = window.open(filenamewtoken,'PopupWindow', 'screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+',toolbar=no,location=no,directories=no,status=no,menubar=yes,scrollbars=yes,hotkeys=no,resizable=no,width='+winWidth+',height='+winHeight+'');
	}
	if (!PopupWindow.opener) { PopupWindow.opener = self; }
	PopupWindow.focus();
	if (PopupWindow && PopupWindow.open && !PopupWindow.closed) {
	 	if (document.all && PopupWindow.document && PopupWindow.document.body && PopupWindow.document.body.clientWidth) {	
			if (Math.abs(winWidth-PopupWindow.document.body.clientWidth) > 30) { winopen(filenamewtoken,winWidth,winHeight,whichwindow); }
	    } else if (PopupWindow.innerWidth) {
			if (Math.abs(winWidth-PopupWindow.window.innerWidth) > 30) { winopen(filenamewtoken,winWidth,winHeight,whichwindow); }
		}
	}
}

//This function closes the PopupWindow if it is open when the main page is redirected
var PopupWindow = '';
function closechild() { if (PopupWindow && PopupWindow.open && !PopupWindow.closed) { PopupWindow.close(); } }
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

//Enter key press trap
function TrapEnterKeyPress(e) {
	var keyCode = e.keyCode ? e.keyCode : e.which ? e.which : e.charCode; 
	if (keyCode == 13) { return false; } else { return true; }
}
