function logDownload(fileName) {
		//alert('inside');
		var nameEQ = 'tsgRegistration=';
		var ca = document.cookie.split(';');
		var userEmail = 'User did not register';
		for(var i=0;i < ca.length;i++) {
			var c = ca[i];
			while (c.charAt(0)==' ') {
				c = c.substring(1,c.length);
			}
			if (c.indexOf(nameEQ) == 0) {
				userEmail = c.substring(c.indexOf('=') + 1,c.length);
			}
		}

			var url = '/servlets/downloadFile?email=' + escape(userEmail) + '&fileName=' + escape(fileName);
			//alert(url);
			if (window.XMLHttpRequest) {
				req = new XMLHttpRequest();
			} else if (window.ActiveXObject) {
				req = new ActiveXObject("Microsoft.XMLHTTP");
			}
			req.open("GET", url, true);
			req.onreadystatechange = callback;
			req.send(null);
			//callback();
	}

	function callback() {
		//alert('inside callback');
	}