var height = screen.height;
var width = screen.width;
var leftpos = width / 2 - 100;
var toppos = height / 2 - 100;
function encode(str){ // Netscape fix 
	return escape(str.replace(/ /g,'+'));
}
function view(what) {
	var url = '/IS/viewer.html?pic='+encode(what);
	window.open(url,'WIN','scrollbars=1,status=no,toolbar=no,resizable=1,location=no,menu=no,width=200,height=200,left=' + leftpos + ',top=' + toppos);
}