intersect: function(element1, element2)
{
var x1 = parseInt(element1.style.left);
var y1 = parseInt(element1.style.top);
var w1 = parseInt(element1.style.width);
var h1 = parseInt(element1.style.height);
var x2 = parseInt(element2.style.left);
var y2 = parseInt(element2.style.top);
var w2 = parseInt(element2.style.width);
var h2 = parseInt(element2.style.height);
return !((x1 > x2 + w2) || (x1 + w1 < x2) || (y1 > y2 + h2) || (y1 + h1 < y2));
},