function chk_form(thisform)
{

	 if (thisform.name.value == "")
		{
			alert("Please enter your name");
			thisform.name.focus();
			return false;
		}


	if (thisform.email.value == "" || thisform.email.value.indexOf('@',0) == -1 || thisform.email.value.indexOf('.',0) == -1) 
	 {
	   alert ("Please enter a valid E-mail Address") ;
	   thisform.email.focus() ;
	   return false ;
	 }
	
	 if (thisform.subject.value == "")
		{
			alert("Please enter subject");
			thisform.subject.focus();
			return false;
		}

	 if (thisform.article.value == "")
		{
			alert("Please enter Article");
			thisform.article.focus();
			return false;
		}
}


function MM_openBrWindow(theURL,winName,features)
 { 
  window.open(theURL,winName,features);
  return false;
 }