function roll_over(img_name, img_src)
   {
   document[img_name].src = img_src;
   } 

function egx(x,y)
{
document.getElementById('more').innerHTML="<a href=\"page.php?pg=case70\"><font color=\"#094732\" face=\"Arial, Helvetica, sans-serif\" style=\"font-size:11px\">المزيد</font></a>";
	document.getElementById('casechart').options[0].selected = true;
	document.getElementById('egxtype').value=x;
	if(x=="egx30")
		roll_over("egx30","images/tabs/egx30_on.jpg");
	else
		roll_over("egx30","images/tabs/egx30_off.jpg");
		
	if(x=="egx70")
		roll_over("egx70","images/tabs/egx70_on.jpg");
	else
		roll_over("egx70","images/tabs/egx70_off.jpg");
	indexcaseajax(x,'1');
}