function dataValidate()
{

	var error="";

	if ( document.suggestion._mail.value=="" ) { error+="* Please fill Email field!\n";}
	

	if (document.suggestion._sanal.value=="") { error+="** Please fill suggestion field!\n";}

	if (document.suggestion._mail.value.indexOf('@',0)==-1 || document.suggestion._mail.value.indexOf('.',0)==-1) 
	
	{ error+="*** Invalid Email address!\n";}

	if(error) { alert(error); return false; } return true;
	
	}