function selectMenu(index){
    try{
    
    	if(index.indexOf("-")!=-1){
    	
    		var lis = document.getElementById("frontLeftMenu").getElementsByTagName("li");
    		for(var i = 0; i < lis.length; i ++){
	    		var itemLi = lis[i];
	    		if(itemLi.id==index){	        
		            itemLi.className = "current2";
		        } else {
		            itemLi.className = "";
		        }
	    	}
    	}else{
    	
    		var spans = document.getElementById("frontLeftMenu").getElementsByTagName("span");
    		var array = ["a","b","c","d","e","f","g","h","i"] ;
    		for(var i = 0; i < spans.length; i ++){
	    		var itemSpan = spans[i];
	    		var str = itemSpan.className   ;
	    		if(itemSpan.id==index){	  
	    			 
		            itemSpan.className = str + " " + index;
		        } else {
		            if(str.indexOf("current_")!=-1){
		            	str = str.replace(" current_" + array[i],"");
		            	itemSpan.className = str;
		            } 
		        }
	    	}
    	}
	     
    }catch(e){
        alert(e);
    }
    
}