var dom = document.getElementById ? true:false;
var ns4 = document.layers ? true:false;
var ie4 = document.all ? true:false;
var mac = navigator.appVersion.indexOf('Mac')!=-1 ? true:false;

function preload(imgObj,imgSrc) {
	eval(imgObj+" = new Image()");
	eval(imgObj+".src = '"+imgSrc+"'");
}

function changeImg(imgObj,imgSrc) {
	if (navigator.appVersion >= "3") {
		var imatge = eval(imgSrc+".src");
		document.images[imgObj].src = imatge;
	}
}

function canviarImatge(id,com) {
	if (id!=opcio_activa) {
		changeImg("imatge_"+id,"imatge_"+id+"_"+com);
	}
}

function visionar(foto) {
	document.getElementById("visor").innerHTML = '<img src="images/photos/large/'+foto+'" width="431" alt="Natalie Walker - Urban Angel" />';
}

function visionarVideo(video) {
	document.getElementById("visor").innerHTML = '<object width="366" height="299"><param name="movie" value="'+video+'"></param><param name="wmode" value="transparent"></param><embed src="'+video+'" type="application/x-shockwave-flash" wmode="transparent" width="363" height="299"></embed></object>';
}

function blurLinks() {
	if (dom) {
		lnks = document.getElementsByTagName('a');
		for (i=0;i<lnks.length;i++) {
			lnks[i].onfocus = new Function("if(this.blur) this.blur()");
		}
	} else if (ie4) {
		for (var i in document.links) {
			document.links[i].onfocus = document.links[i].blur;
		}
	}
}

function init() {
	blurLinks();
}