var currClassName
function leftmenu_hover(obj,mode){
	currClassName = obj.className
	obj.className = 'selected'
	
	if(mode != 'sub'){
		i = obj.id.split('_')[1]
		tsrc = document.getElementById('leftmenu-img_'+i).src
		if(tsrc.indexOf('off') > 0){
			src = tsrc.replace('off','on')
			document.getElementById('leftmenu-img_'+i).src = src
		}
	}
}

function leftmenu_dehover(obj,mode){
	obj.className = currClassName
	
	if(mode != 'sub'){
		tsrc = document.getElementById('leftmenu-img_'+i).src
		if(currClassName != 'selected'){
			src = tsrc.replace('on','off')
			document.getElementById('leftmenu-img_'+i).src = src
		}
	}
}