/* randomizer */
rnd.today=new Date();
rnd.seed=rnd.today.getTime();

function rnd() {
        rnd.seed = (rnd.seed*9301+49297) % 233280;
        return rnd.seed/(233280.0);
};

function rand(number) {
        return Math.ceil(rnd()*number);
};


/* codigo para ventana popup */
var newWin = null;
function popUp(strURL, strType, strHeight, strWidth) 
{
	var windowname = rand(100);
	
	if (newWin != null && !newWin.closed)
		newWin.close();
		var strOptions="";
	
	if (strType=="console")
		strOptions="resizable,height="+
		strHeight+",width="+strWidth;
	 
	if (strType=="fixed")
		strOptions="status,height="+
		strHeight+",width="+strWidth;
	 
	if (strType=="elastic")
		strOptions="toolbar,menubar,scrollbars,"+
		"resizable,location,height="+
		strHeight+",width="+strWidth;
	 
	newWin = window.open(strURL, windowname, strOptions);
	newWin.focus();
}

function breakout_of_frame()
{
  // see http://www.thesitewizard.com/archive/framebreak.shtml
  // for an explanation of this script and how to use it on your
  // own website
  if (top.location != location) {
    top.location.href = document.location.href ;
  }
}

function focusfirst() 
{
	document.forms[0].elements[0].focus();
	document.forms[0].elements[0].select();
}

function focussecond() 
{
	document.forms[0].elements[1].focus();
	document.forms[0].elements[1].select();
}

/* 	
	-----------------------------
	Funciones de Galletas
	-----------------------------
*/

function getCookie( name ) 
{
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) 
	{
		return null;
	}
	if ( start == -1 ) return null;
	var end = document.cookie.indexOf( ";", len );
	if ( end == -1 ) end = document.cookie.length;
	return unescape( document.cookie.substring( len, end ) );
}

function setCookie( name, value, expires, path, domain, secure ) 
{
	var today = new Date();
	today.setTime( today.getTime() );
	if ( expires ) 
	{
		expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );
	document.cookie = name+"="+escape( value ) +
		( ( expires ) ? ";expires="+expires_date.toGMTString() : "" ) + //expires.toGMTString()
		( ( path ) ? ";path=" + path : "" ) +
		( ( domain ) ? ";domain=" + domain : "" ) +
		( ( secure ) ? ";secure" : "" );
}

function deleteCookie( name, path, domain ) 
{
	if ( getCookie( name ) ) document.cookie = name + "=" +
			( ( path ) ? ";path=" + path : "") +
			( ( domain ) ? ";domain=" + domain : "" ) +
			";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}