<!--

// Thumbnail Script
// (c) RJHM van den Bergh/comweb.nl, 2001
// support@comweb.nl
// 
// This script opens a enlarge picture of a thumbnail.
// With the onUnload you can close the enlarged thumbnail when the user leaves the page.
//

var popupHandle;

function popup(picUrlString, windowWidth, windowHeight)
{

// Always close the old one, so only one at a time is open
if(popupHandle || popupHandle!=null)
{
if (!popupHandle.closed) popupHandle.close();
}
popupHandle=null;

// create a feature string for the popup
var x=(screen.width-windowWidth)/2
var y=(screen.height-windowHeight)/2
var featureString = "toolbar=no,scrollbars=no,resizable=no"
featureString = ',left='+x + ',top='+y
featureString += ',width='+windowWidth+',height='+windowHeight

// html content of the popup
var htmlString = "<html><head><title>Click to close.</title></head>"
htmlString += "<body marginwidth=0 marginheight=0 leftmargin=0 topmargin=0 bgcolor=white text=\"black\" onclick=\"self.close()\">"
htmlString += "<A HREF=\"javascript:window.close();\" title=\"Clik to close.\" >"
htmlString += "<IMG SRC=\"" + picUrlString + "\" BORDER=\"0\" WIDTH=" + windowWidth + " HEIGHT=" + windowHeight + "></A>"
htmlString += "</body></html>"

popupHandle = window.open("" ,"popup",featureString)
popupHandle = window.open("" ,"popup")
popupHandle.document.clear();
popupHandle.document.writeln(htmlString);
popupHandle.focus();
popupHandle.document.close(); // should trigger the picture loading.
return popupHandle;

}

function winclose()
{
if (window.popupHandle!=null && !window.popupHandle.closed)
{
window.popupHandle.close();
}
}

function doNothing(){} // does nothing but required by JavaScript in this case
//-->
