$(document).ready(function()
			{
				$("img.rolloverThumb").hover(function()
				{
					var pat = /landscape/;
					var source = $(this).attr("src");
					var targetSelector = "img.portrait"
					if(pat.test(source))
						targetSelector = "img.landscape"
						
					pat = /[^\/]+\.jpg/;
					var sourceFile = source.match(pat);
					var target = $(targetSelector).attr("src");
					$(targetSelector).attr("src", target.replace(pat, sourceFile));							
			});

});

 function getQstringArgs()
 {
 		var querystring = window.location.search.substring(1);
		var qstrArray = querystring.split("=");
		if(qstrArray == "")
			return 0;
		return qstrArray;
 }

function getImgArray(imgList, id)
{
	return imgList.getImgMetaById(id);
}