<SCRIPT LANGUAGE="JavaScript">                
var no = 50;              
var speed = 1;              
var ns4up = (document.layers) ? 1 : 0;              
var ie4up = (document.all) ? 1 : 0;              
var s, x, y, sn, cs;              
var a, r, cx, cy;              
var i, doc_width = 800, doc_height = 600;              

if (ns4up) {              
doc_width = self.innerWidth;              
doc_height = self.innerHeight;              
}              
else              

if (ie4up) {              
doc_width = document.body.clientWidth;              
doc_height = document.body.clientHeight;              
}