ns4 = (document.layers)? true:false ;
ie4 = (document.all)? true:false ;
// Show Hide functions for non-pointer layer/objects

function show(id) {
	if (ns4) document.layers[id].visibility = "show"
	else if (ie4) document.all[id].style.visibility = "visible"
}
function hide(id) {
	if (ns4) document.layers[id].visibility = "hide"
	else if (ie4) document.all[id].style.visibility = "hidden"
}

if (document.images) { 
    img1on = new Image();          
    img1on.src = "../images/donrblk.gif";  
    img2on = new Image();          
    img2on.src = "../images/commblk.gif";
    img3on = new Image();          
    img3on.src = "../images/medlblk.gif";
    img4on = new Image();          
    img4on.src = "../images/rotrblk.gif";
    img5on = new Image();          
    img5on.src = "../images/lnkleft.gif";
    img6on = new Image();          
    img6on.src = "../images/lnkright.gif";
    img7on = new Image();          
    img7on.src = "../images/spacer.gif.gif";

    img1off = new Image();          
    img1off.src = "../images/donrred.gif";  
    img2off = new Image();          
    img2off.src = "../images/commblk.gif";
    img3off = new Image();          
    img3off.src = "../images/medlred.gif";
    img4off = new Image();          
    img4off.src = "../images/rotrred.gif";
    img5off = new Image();          
    img5off.src = "../images/lnkleft.gif";
    img6off = new Image();          
    img6off.src = "../images/lnkright.gif";
    img7off = new Image();          
    img7off.src = "../images/spacer.gif.gif";


    }

	function allinAct() {
    	if (document.images) {

	for(i=1; i<8; i++) 
	{
  		document["img" + i].src = eval("img" + i + "off.src");
	 } 
	for(i=1; i<8; i++) 
	{
 		document["img" + i].src = eval("img" + i + "off.src");
	 }
}
}



function allhide() {
allinAct();
hide('L1');
hide('L2');
hide('L3');
hide('L4');
hide('L5');
hide('L6');
hide('L7');

 }


 function imgAct(imgName) {
    if (imgName>0)
	allhide();
	allinAct();
    	if (document.images) {
    		document["img" + imgName].src = eval("img" + imgName + "on.src");

    if (imgName>0)
    {
	if (ns4) document.layers["L" + imgName].visibility = "show"
 	else if (ie4) document.all["L" + imgName].style.visibility = "visible";
}
    }
}



//	function imgInact(imgName) {
//    	if (document.images) {
//    		document["img" + imgName].src = eval("img" + imgName + "off.src");
//    }
//}