function openwin (u,v) 
{
   var u,v;
   strFeatures = "top=150,left=150,width=300,height=150,toolbar=0,menubar=0,location=0,directories=0,status=0";             
   window.open(u+"?"+v , "NewWindow", strFeatures);
}

function chk_post_form () 
{
   var noerr = true;
   var msg = "";
   
   if (document.msg_post.pcodel2.value == "")
   {
   	noerr = false;
   	msg = "Please select category of product !";
   }
   else if (document.msg_post.post_subject.value == "")
   {
   	noerr = false;	
   	msg = "Please enter subject !";
   }
   else if(document.msg_post.post_message.value == "")
   {
   	noerr = false; 	
   	msg = "Please enter message !";
   }	
   
   if (noerr == false)
   {
   	alert (msg);
   	return;
   }
   document.msg_post.submit();
}
function select_all() 
{
	with(document.post_list) 
	{
		for(i=0;i<elements.length;i++) 
		{
			thiselm = elements[i];
			if(thiselm.name.substring(0,3) == 'del')
			{
				if (thiselm.checked == true)
				{
				thiselm.checked = false;
				}
				else
				{
					thiselm.checked = true;
				}
			}
		}
	}
}
function delete_post (stat) {
	var stat;
	if (stat == 'del_all')
	{
		select_all();
	}
	document.post_list.submit();
}