function checkContactDetails()
{	
 with(window.document.query)
	{	
	if(name1.value=="" || name1.value=="Enter Your Name")
		{	
     	   alert("Enter Name");
			name1.focus(); return false;
		}
    if(email.value=="")
		{	
      alert("Enter Email");
			email.focus(); return false;
		}
		if(email.value!="")
		{	apos=email.value.indexOf("@");
      dotpos=email.value.lastIndexOf(".");
      if (apos<1||dotpos-apos<2) 
        {
         alert("Not a valid e-mail address!");
         email.focus()
         return false;
        }
		}
		if(comment.value=="")
		{	
      alert("Enter Your Comment");
			comment.focus(); return false;
		}
		if(comment.value!="")
		{	
			if(comment.value=="Enter Your Comments")
			{	
      		alert("Enter Your Comments");
			comment.focus(); return false;
			}
		}
		return true;
	}
}