function SwitchBg(){
	var obj = document.getElementById("Main2_Header");
	
	_bgImg = Math.round(Math.random() * 6 + 1);
	obj.style.backgroundImage = "url(./img/bg/" + _bgImg + ".jpg)";
	setTimeout("SwitchBg()", 2000);
}

function VeiwBigPhoto(_url){
	//alert(_url);
	document.getElementById('BigPhoto').src = _url.replace("small/", "");
}