// Caches the button rollover
if (document.images) {

	// Tab Menu Button Rollover
	mnu_btn_ca0=new Image();
	mnu_btn_ca0.src="images/mnu_btn_ca_tab.gif";
	mnu_btn_ca1=new Image();
	mnu_btn_ca1.src="images/mnu_btn_ca_tab1.gif";	
}