function pop(myURL)  {
		var URLen=myURL;
		var windowNamen="externalwindow";
		var browserName=navigator.appName;
		var operatingSystem=navigator.platform;
		var version = parseFloat(navigator.appVersion);


		/* Netscape check version 4.0+ on Win*/
		if (browserName.indexOf("Netscape")!=-1 && version>=4.0 && operatingSystem.indexOf("Mac")!=-1)
		 {
			window.open(URLen,windowNamen,'menubar=yes,toolbar=yes,titlebar=yes,scrollbars=yes,status=yes,resizeable=yes,top=50,left=50,width=980,height=600')
		 }

		/* MSIE Mac check*/
		else if (browserName.indexOf("Microsoft Internet Explorer")!=-1 && operatingSystem.indexOf("Mac")!=-1)
		 {
			window.open(URLen,windowNamen,'menubar=yes,toolbar=yes,titlebar=yes,scrollbars=yes,status=yes,resizeable=yes,top=50,left=50,width=980,height=600')
		 }

		/* Netscape Mac check*/
		else if (browserName.indexOf("Netscape")!=-1 && operatingSystem.indexOf("Mac")!=-1)
		 {
			window.open(URLen,windowNamen,'menubar=yes,toolbar=yes,titlebar=yes,scrollbars=yes,status=yes,resizeable=yes,width=980,height=600,top=50,left=50');
		 }

		/* MSIE Windows*/
		else if (browserName.indexOf("Microsoft Internet Explorer")!=-1 && operatingSystem.indexOf("Win")!=-1)
		 {
			var win = window.open(URLen,windowNamen,'menubar=yes,toolbar=yes,titlebar=yes,scrollbars=yes,status=yes,resizeable=yes,width=980,height=600,screenX=50,screenY=50,top=50,left=50')
		 }

		/*Netscape Windows*/
		else if (browserName.indexOf("Netscape")!=-1 && operatingSystem.indexOf("Win")!=-1)
		 {
			window.open(URLen,windowNamen,'menubar=yes,toolbar=yes,titlebar=yes,scrollbars=yes,status=yes,resizeable=yes,width=980,height=600,top=50,left=50');
		 }
		 else{window.open(URLen,windowNamen);
		 }
		}