(document.all)?	document.write('<LINK REL="STYLESHEET" TYPE="TEXT/CSS" HREF="css/estilos.css">') : document.write('<LINK REL="STYLESHEET" TYPE="TEXT/CSS" HREF="css/estilos.css">');
var ie4,ns4,ns6;
if(document.all)ie4 = true;
 	else if(document.layers)ns4 = true;
 	else if(document.getElementById)ns6 = true;

function enciende(cual,cual2){
	eval("document.images['"+cual+"'].src='img/"+cual2+"'");
}