function validate()
	{
	 //======================================== comment ==============================================
			if(document.frm_en.name.value=="")
			{
				alert("Please enter name...");
				document.frm_en.name.focus();
				return false;
			}
			if(document.frm_en.enquiry.value=="0")
			{
				alert("Please select enquiry regarding...");
				document.frm_en.enquiry.focus();
				return false;
			}		
			if(document.frm_en.email.value=="")
			 {
				 
					alert("Please enter Email address!");
					document.frm_en.email.focus();
					return false;
				 
			 }
			if(document.frm_en.email.value!="")
			 {
				if((/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.frm_en.email.value))==false) 
				{
					alert("Please enter valid Email address!");
					document.frm_en.email.focus();
					return false;
				} 
			 }
			
			if(document.frm_en.comment.value=="")
			{
				alert("Please enter comment ...");
				document.frm_en.comment.focus();
				return false;
			}		 
	}