// JavaScript Document
function checkRequired(field,txt) {
	if(field.value=='')	 {
		field.focus();
		document.getElementById('msg').innerHTML = txt;					
		return false;
	}
	return true;
}

function checkEmail(field,txt) {
	with (field) {
			apos=value.indexOf("@");
  			dotpos=value.lastIndexOf(".");
			if (apos<1||dotpos-apos<2) {
				document.getElementById('msg').innerHTML = txt;
				field.focus();
				return false;
			} else 
				return true;
  	}
}


function validation(frm) 
{

	if(!checkRequired(frm.txtname ,"Please enter name ")) return false;
	if(!checkEmail(frm.txtemail,"Not a valid email...")) return false;
	if(!checkRequired(frm.txtpostidea ,"Please enter your comment in more than 10 characters ")) return false;
	return true;
}