var photos = function(obj)
{
	this.obj = obj;
	var thisobj = this;
	var images = [];

	this.init = function()
	{
		var imgs = this.obj.getElementsByTagName('IMG');
		var count = imgs.length;
		for (var i=0; i<count; i++)
		{
			imgs[i].onclick = this.openwindow;
			imgs[i].style.cursor = 'pointer';
			var tmp = new Image();
			tmp.src = imgs[i].src.replace(/images\/photo\/250/, '/images/photo/500/');
			images[imgs[i].src] = tmp;
		}
	}
	
	this.openwindow = function()
	{
		var path = images[this.src].src;
		var width = images[this.src].width;
		var height = images[this.src].height;
		var windowobj = window.open(path, 'newWindow', 'width='+(width + 40)+'px, height='+(height + 30)+'px, status=yes, toolbar=no, menubar=no, location=no, resizable=yes, scrollbars=yes');
		windowobj.document.onclick = function(){windowobj.close();}
	}
}