var blnOK=0;
function LI() {
	if (document.images) {
		for (var i=1; i<=5; i++) {
			eval ('btnNAV'+i+'0=new Image();');
			eval ('btnNAV'+i+'0.src="images/nav'+i+'_0.gif";');
			eval ('btnNAV'+i+'1=new Image();');
			eval ('btnNAV'+i+'1.src="images/nav'+i+'_1.gif";');
		}
	}
	blnOK=1;
}
function SI(id,OnOff) {
	if (document.images && (blnOK==1) && (document['NAV'+id])) {
		document['NAV'+id].src = eval("btnNAV"+id+OnOff+".src");
	}
}
window.onload=LI;