bgPicNo = Math.floor((Math.random()*3)) + 1;
bgPics = new Array();
bgPics[1] = '<img border="0" alt="" src="home/homepic_1.jpg" usemap="#virtual_tour" />';
bgPics[2] = '<img border="0" alt="" src="home/homepic_2.jpg" usemap="#virtual_tour" />';
bgPics[3] = '<img border="0" alt="" src="home/homepic_3.jpg" usemap="#virtual_tour" />';