/*
Image randomizer
*/

function selectRandomImage(pathToXml, divId, rootDir) {

	var count = 0;
	var alt=new Array();
	var src=new Array();
	
	$.ajax({
	        type: "GET",
		url: pathToXml,
		dataType: "xml",
		success: function(xml) {
	
	  $(xml).find("img").each(function()
	  {
	    alt[count] = $(this).attr("alt");
	    src[count] = $(this).attr("src");
	    count++;
	  });
	
	  var num = Math.floor(Math.random()*count);
	
	  $(divId).append('<img src="'+ rootDir + '/' +src[num]+'" alt="' + alt[num] + '" />');
	
	  }
	});

}