function display1(Q_subtree){
  
  if (Q_subtree.style.display=="none"){ 
       Q_subtree.style.display="";
    }
  else
      {
       Q_subtree.style.display="none";      
  } 
}

     function viewPage(ipage){
	    document.viewPage.startpage.value=ipage;
        document.viewPage.submit();        
     }

	 function viewPageLineNum(lineNum){
		document.viewPage.pagelineNum.value=lineNum;
        document.viewPage.submit();  
	 }

function openCalendar(params, form, field, type) {
    window.open("/include/calendar.php?" + params, "calendar", "width=400,height=200,status=yes");
    dateField = eval("document." + form + "." + field);
    dateType = type;
}

function login(){
   if (document.loginForm.username.value=="" ){
       alert('请输入用户名!');
	   return false; 
   }
      if (document.loginForm.password.value=="" ){
       alert('请输入用户密码!');
	   return false; 
   }

}

function switchProductPic(productPicPath){
	document.all.productPic.src=productPicPath;
}