function openWin(myURL,myW,myH,myName){
	var scWidthCenter=screen.availWidth/2;
	var scHeightCenter=screen.availHeight/2;
	option="toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width="+myW+",height="+myH+",left="+(scWidthCenter-(myW/2))+",top="+(scHeightCenter-(myH/2));
	var newWin=window.open(myURL,myName,option);
	newWin.window.focus();
}