function openNewWindow(szthis,width,height,scroll){

			centerPopUp(width,height,scroll);

			window.open(szthis,'NewWindow', winprops);

		}

		

		//this function will center any page that you are popping up with three variables... width,height,scrolling

		function centerPopUp(mywidth,myheight,myscroll) {

			var w = mywidth;

			var h = myheight;

			var winl = (screen.width/2 - w/2) ;

			var wint = (screen.height/2 - h/2) ;

			winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+ myscroll;

			return winprops;

		}