function openServiceWindow(strURL) {
			
			browser_name = navigator.appName;
			browser_version = parseFloat(navigator.appVersion);
			if (browser_name == "Microsoft Internet Explorer" && browser_version <= 4) {
				newwin = window.open(strURL,"Nutrition",'resizable=no,scrollbars=no,width=622,height=450,status=no,left=0,top=0,toolbar=no,menubar=no');
				newwin.focus();
			}
			else if (browser_name == "Netscape" && browser_version <= 4.01) {
				newwin = window.open(strURL,"Nutrition",'resizable=no,scrollbars=no,width=622,height=450,status=no,left=0,top=0,toolbar=no,menubar=no');
		
				if (browser_version >= 3.0) {
					newwin.focus(); 
				}
				newwin.refer = blank;
				newwin.focus();
			}
			else {
				newwin = window.open(strURL,"Nutrition",'resizable=no,scrollbars=no,width=622,height=450,status=no,left=0,top=0,toolbar=no,menubar=no');
				newwin.opener=window;
				newwin.focus();
			}
		}