function trim(str){
   return str.replace(/^\s*|\s*$/g,"");
}
function chkform()
{

	frminfo=document.frmcontact;
	if(trim(frminfo.your_name.value)=='')
	{
		alert('Please specify name');
		frminfo.your_name.focus();
		return false
	}
	if(!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(trim(frminfo.your_email.value))))
	{
		alert('Please specify Valid Email Address');
		frminfo.your_email.focus();
		return false;
	}
	if(trim(frminfo.your_telephone.value)=='')
	{
		alert('Please specify Telephone No');
		frminfo.your_telephone.focus();
		return false
	}
	if(trim(frminfo.your_msg.value)=='')
	{
		alert('Please fill your enquiry');
		frminfo.your_msg.focus();
		return false
	}
	return true;
}