ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false

var v = "visable"
var h = "hidden"
var t = "transparent"

function preload() {
        this.length = preload.arguments.length;
        for (var i = 0; i < this.length; i++) {
                this[i+1] = new Image();
                this[i+1].src = preload.arguments[i];
        }
}



function select(i,tna,war) {
        if (document.images) {


                if (i != -1) { var src = document.images[i].src;}
			else { var src = eval("document.images."+tna+".src"); }
                var off = src.lastIndexOf("n"); off = src.length - 5;
                if (off != -1) {
                        var newsrc = src.substring(0,off) + "a";
                        if (i != -1) {document.images[i].src = newsrc + ".gif";}
			else { eval("document.images."+tna+".src = newsrc + '.gif'"); }
                }
        }
}

function deselect(i,tna,war) {
        if (document.images) {
                 if (i != -1) { var src = document.images[i].src;}
				else { 

	
	var src = eval("document.images."+tna+".src"); 


}
                var on = src.lastIndexOf("a");
				on = src.length - 5;
                if (on != -1) {
                        var newsrc = src.substring(0,on) + "n" + src.substring(on + 1, src.length);
                        if (i != -1) { document.images[i].src = newsrc; }
						else { 
	
	eval("document.images."+tna+".src = newsrc"); 
}
                }
        }
}



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

function hide(war) {
		if(ns4) {		
		if (document.layers[war]){document.layers[war].visibility = "hide";}
		} else if(ie4) {	
			document.all[war].style.visibility = h;
		}
	}