function popwin(theurl,thename,thewidth,theheight,special,left,top,scroll,resize) {
				if (special==1) {
						var left=(screen.width-thewidth)/2;
						var top=(screen.height-theheight)/2;
					}
				var popwin = window.open(theurl,thename,"left="+left+",top="+top+",width="+thewidth+",height="+theheight+",toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars="+scroll+",resizable="+resize+"");
			}