function showPopup(content) {
// POPUP Window 450,350
   var wide= 450, high= 350;
	browsername=navigator.appName;
	if (browsername.indexOf("Netscape")!=-1) {
	       	var xMax = screen.width, yMax = screen.height -50;
		} else {
		if (browsername.indexOf("Microsoft")!=-1) {
			var xMax = screen.width, yMax = screen.height -50;
		} else {
			var xMax = 640, yMax = 480;
			}
        }
        var xOffset = (xMax - wide)/2, yOffset = (yMax - high)/2;
window.open(content,null,"scrollbars=1,resizeable=1,width="+wide+",height="+high+",screenX="+xOffset+",screenY="+yOffset+",left="+xOffset+",top="+yOffset+"");
// OPTIONS toolbar=0,status=0,menubar=0,scrollbars=0,resizeable=0,location=0,directories=0,copyhistory=0
}