function global_popupWindow(url,win_name,w,h,s)
{
    var str = "height=" + h + ",width=" + w;
	
	if(s)
	{
	    s = s == 0 ? '0' : '1'
	    str += ",scrollbars=" + s;
	}
	
	if(parseInt(navigator.appVersion)>3)
	{
		str += ",left="+(screen.width -w)/2+",top="+parseInt((screen.height -h)/3);
	}
	
	regEx = /\s/g;
	clean_name = win_name.replace(regEx,'_');
	var win = window.open(url,clean_name,str);
}