bi0=new Image();
bi1=new Image();
bd0=new Image();
bd1=new Image();
bi0.src='style/bde_izq_0.gif';
bi1.src='style/bde_izq_2.gif';
bd0.src='style/bde_der_0.gif';
bd1.src='style/bde_der_2.gif';
var fondo = new Array();
fondo[0] = '#996633';
fondo[1] = '#cccccc';
function aCSS(layerID){
	if(document.getElementById){return document.getElementById(layerID).style;}
	else if(document.all){return document.all[layerID].style;}
	else if(document.layers){return document.layers[layerID];}
}
function ov(bot,color){
	aCSS('b'+bot+'i').background=fondo[color]+" url(style/bde_izq_"+color+".gif)";
	aCSS('b'+bot+'d').background=fondo[color]+" url(style/bde_der_"+color+".gif)";
	aCSS('b'+bot).background=fondo[color];
}
function z(donde){
	url=donde+".html";
	window.open(url,'','width=790,height=540,top=0,left=0,resizable=yes,scrollbars=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,copyhistory=no');
}