// JavaScript Document
function setRes(){
	var scrH = screen.height;
	var bFilePath = "imatges/fondos";
	var bFile= new String();
	switch(scrH){
		case 768:
			bFile ="1024_768.jpg";
			break;
		case 1024:
			bFile ="1280_1024.jpg";
			break;
		case 1050:
			bFile ="1680_1050.jpg";
			break;
		case 864:
			bFile ="1152_864.jpg";
			break;
		case 1080:
			bFile ="1920_1080.jpg";
			break;
		default:
			bFile ="1280_1024.jpg";
			break;
	}
	
	document.body.style.background ="url("+bFilePath+"/"+bFile+")";
/*	alert(document.body.style.background);*/
	document.body.style.backgroundPosition ="left";
	document.body.style.backgroundRepeat ="no-repeat";
	document.body.style.backgroundAttachment ="fixed";
}