//----------------------------------------------
//check email validation	
function chkform(frm)
{
var Mymail=frm.email.value
var filter=/^.+@.+\..{2,3}$/
var listchar = " ~!#$%^&*()+=|\\?<>:;'{}[]`/,‘";
for (i=0; i<listchar.length; i++) 
	{
		xchar = listchar.substr(i, 1);
			foundchar = Mymail.indexOf(xchar);
		if (foundchar>=0) 
		{
			status = "Your Email Address contain invalid Character"+'"'+xchar+'"';
			alert(status);
		frm.email.focus()
			return false;
		}
	}
	if (!filter.test(Mymail))
	{
	alert("Please input a valid email address!")
		frm.email.focus()
		return false;
	}	

	if(frm.comments.value=="")
	{alert('Please enter message.')
	frm.comments.focus()
	return false;
	}
}
//---end email validation--------------------------
//-------------------------------------------------