var f_reg = document.getElementById("frm_registro") ; 
if (f_reg) f_reg.onsubmit = validar_registro ;

var f_print = document.getElementById("frm_print") ;
if (f_print) f_print.onsubmit = ventana_imprimir ;

function validar_registro(){
	f = this ;
	
	if (Trim(f.reg_name.value) == ''){
		alert("Enter your name") ; 
		f.reg_name.focus() ;
		return false ;
	}
	
	if (!isMail(f.reg_email.value)){
		alert("Enter your email") ;
		f.reg_email.focus() ;
		f.reg_email.select();
		return false ;
	}
	
	return true ;
}

function ventana_imprimir(){
	var f = this ;
	//var w = open(f.action, f.target, 'width=600, height=400, statusbar=0, toolbar=0, scrollbars=1 resizable=1') ;
	return true ; 
}