function goPop(url,w,h,strOption,strToolbar){
	if (typeof strOption == "undefined") strOption='scrollbars=yes,resize=no'
var lt=(screen.width-w)/2;
var tp=(screen.height-h)/2;
window.open(url,'','width='+w+',height='+h+',left='+lt+',top='+tp+','+strOption);
}