var imx=8;
var ipn=new Array();
var iph=new Array();

function imagepreloader() {
	var i;
	for (i=0;i<imx;i++) {
		ipn[i]=new Image(); ipn[i].src="images/menu"+(i+1)+".gif";
		iph[i]=new Image(); iph[i].src="images/menu"+(i+1)+"h.gif";
	}
}

function menuhover(i,hover) {
	var m=gid('mn'+i);
	m.src=(hover?iph[i].src:ipn[i].src);
}

function verfoto(f,w,h) { vermulti(0,f,w,h,0); }
function vervideo(f) { vermulti(1,f,425,350); }
function vermulti(t,f,w,h) {
	var mw="",mh="";
	if (w && h) {
		var mxw=(ietruebody().clientWidth-200);
		var mxh=(ietruebody().clientHeight-75);
		var eh=(h>mxh?mxh:h);
		if (w*eh/h>mxw) mw=" width="+mxw+" ";
		else mh=" height="+eh+" ";
	}
	switch (t) {
	case 0:
		gid('fotoc').innerHTML
			="<a href='javascript:hide(\"foto\");'>"
			+"<img id=fotoimg src='"+f+"' "+mw+mh
			+" title='Haga click en la imágen para cerrar esta ventana'"
			+" style='border:4px solid #000;' /></a>";
		break;
	case 1:
		gid('fotoc').innerHTML
			="<table align=center cellpadding=0 cellspacing=0 style='border:2px solid #FFF;background-color:#000;'><tr>"
			+"<td><object width='425' height='350'><param name='movie' value='"+f+"'></param><param name='wmode' value='transparent'></param><param name='autoplay' value='1'></param>"
			+"<embed src='"+f+"&autoplay=1' type='application/x-shockwave-flash' wmode='transparent' width='425' height='350' flashvars='autoplay=true'></embed></object></td>"
			+"</tr></table>";
		break;
	}
	show('foto');
}


function init() {
	var m;
	for (i=0;i<imx;i++) {
		m=gid('mn'+i);
		eval("m.onmouseover=function(){try{menuhover("+i+",true);}catch(e){}}");
		eval("m.onmouseout=function(){try{menuhover("+i+",false);}catch(e){}}");
	}
	if (ismoz()) {
		gid('genmain').style.position="fixed";
		gid('foto').style.position="fixed";
	}
}

// inicio de la página
imagepreloader();
window.onload=init;