function citytourr()
{
//2
var ranNum= Math.round(Math.random() * 2);
if (ranNum == 0){document.write('<img src="http://www.budapestcitytour.com/budapest/budapest_49.jpg">'); } // 1
if (ranNum == 1){document.write('<img src="http://www.budapestcitytour.com/budapest/tour1.jpg">'); } // 2
if (ranNum == 2){document.write('<img src="http://www.budapestcitytour.com/budapest/tour3.jpg">'); } // 4
}