// JavaScript Document

function confirmacion()
{
	return confirm('¿Está seguro?');	
}

function o_search()
{
	searchvalue = document.getElementById("q_search").value;
	if (searchvalue == '')
	{
		alert('Debe entrar un criterio de búsqueda');
		return false;
	}
	else if (searchvalue.length < 3)
	{
		alert('Debe entrar al menos tres letras para realizar la búsqueda');
		return false;		
	}
	else	
	{
		document.getElementById("q").value = document.getElementById("q_search").value;
		document.getElementById("frm_search").submit();
		return true;
	}
}

function check_Enter(e)
{ //e is event object passed from function invocation
	var characterCode = 0; //literal character code will be stored in this variable
	
	if(e && e.which){ //if which property of event object is supported (NN4)
		e = e
		characterCode = e.which; //character code is contained in NN4's which property
	}
	else{
		e = event;
		characterCode = e.keyCode; //character code is contained in IE's keyCode property
	}
	
	if (characterCode == 13){ //if generated character code is equal to ascii 13 (if enter key)
		o_search();
		return false;
	}
	else{
		return true;
	}

}