function MM_findObj(n, d) { //v4.0
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);
if(!x && document.getElementById)
	x=document.getElementById(n);
return x;
}


function leftMenu (_objId, type) {
	var im;
	_objI = MM_findObj('im_' + _objId);
	if (type == '')
		_objI.src = '/images/dot.gif';
	else
		_objI.src = '/images/bc_left_item21_on.png';
}

function menuHover(objID){
	switch (objID){
		case "m0":
			if(document.getElementById(objID).className=="home_off"){
				document.getElementById(objID).className = "home_on";
			} else { 
				document.getElementById(objID).className = "home_off";
			}
		break;
		case "m9":
			if(document.getElementById(objID).className=="about_off"){
				document.getElementById(objID).className = "about_on";
			} else { 
				document.getElementById(objID).className = "about_off";
			}
		break;
		default:
			if(document.getElementById(objID).className=="menu_off"){
				document.getElementById(objID).className = "menu_on";
			} else { 
				document.getElementById(objID).className = "menu_off";
			}
		break;
	}
}