/* barMenus.js
* Evolver Menus
*
*/

// preloads images
function MM_preloadImages() { //v3.0
	var d=document; 
	if(d.images){ 
		if(!d.MM_p) d.MM_p=new Array();
		var i,j=d.MM_p.length,a=MM_preloadImages.arguments; 
		for(i=0; i<a.length; i++){
			if (a[i].indexOf("#")!=0){ 
				d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];
			}
		}
	}
}

function MM_findObj(n, d) { //v3.0
	var p,i,x;  
	if(!d) d=document; 
	if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; 
		n=n.substring(0,p);
	}
	if(!(x=d[n])&&d.all) x=d.all[n]; 
	for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); 
	return x;
}

function MM_nbGroup(event, grpName) { //v3.0
	var i,img,nbArr,args=MM_nbGroup.arguments;
	if (event == "init" && args.length > 2) {
		if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
			img.MM_init = true; 
			img.MM_up = args[3]; 
			img.MM_dn = img.src;
			if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
			nbArr[nbArr.length] = img;
			for (i=4; i < args.length-1; i+=2){
				if ((img = MM_findObj(args[i])) != null) {
					if (!img.MM_up) img.MM_up = img.src;
					img.src = img.MM_dn = args[i+1];
					nbArr[nbArr.length] = img;
				}
 			}
		}
	} else if (event == "over") {
		document.MM_nbOver = nbArr = new Array();
		for (i=1; i < args.length-1; i+=3){
			if ((img = MM_findObj(args[i])) != null) {
				if (!img.MM_up) img.MM_up = img.src;
				img.src = (img.MM_dn && args[i+2]) ? args[i+2] : args[i+1];
				nbArr[nbArr.length] = img;
			}
		}
	} else if (event == "out" ) {
		for (i=0; i < document.MM_nbOver.length; i++) {
			img = document.MM_nbOver[i]; 
			img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; 
		}
	} else if (event == "down") {
		if ((nbArr = document[grpName]) != null){
			for (i=0; i < nbArr.length; i++) { 
				img=nbArr[i]; 
				img.src = img.MM_up; 
				img.MM_dn = 0; 
			}
		}
		document[grpName] = nbArr = new Array();
		for (i=2; i < args.length-1; i+=2){ 
			if ((img = MM_findObj(args[i])) != null) {
				if (!img.MM_up) img.MM_up = img.src;
				img.src = img.MM_dn = args[i+1];
				nbArr[nbArr.length] = img;
			}
		}
	}
}