function download(num, url) {
	 			 
	 if (num == "" || num == null)
	 {
	    mywindow = window.open('/setup.aspx','downWindow','left=0,top=0,width=100,height=100,z-lock=yes,dependent=yes');	
	    num=0;
	 }
	 else
	 {
	    mywindow = window.open('/setup.aspx?dl='+num+'','downWindow','left=0,top=0,width=100,height=100,z-lock=yes,dependent=yes');	
	 }
	 
	 
	 if (url == "" || url == null)
	 {
  	    location.href="/download.aspx";
	 }
	 else
	 {
	    location.href=url;
	 }
}