/**
 *@author paul.lee
 *@date 2008/04/22
 *用form提交的方式打开新的窗口
 */
function openWindow(url){
			if(document.forms.length>0){
				var tartemp=document.forms[0].target;
				var mettemp=document.forms[0].method;
				var acttemp=document.forms[0].action;
				document.forms[0].target = "_blank";
				document.forms[0].method = "post";
				document.forms[0].action=url;
				document.forms[0].submit();
				document.forms[0].target = tartemp;
				document.forms[0].method = mettemp;
				document.forms[0].action = acttemp;
			}else{
				var docElement = document.documentElement;
				var cusForm = document.createElement("form");
				cusForm.target = "_blank";
				cusForm.method = "post";
				docElement.insertBefore(cusForm, docElement.childNodes[0]);
				cusForm.action = url;
				cusForm.submit();
			}
}