// JavaScript Document

	/*
	document.getElementsByClassName = function(clsName){
	    var retVal = new Array();
	    var elements = document.getElementsByTagName("*");
	    for(var i = 0;i < elements.length;i++){
	        if(elements[i].className.indexOf(" ") >= 0){
	            var classes = elements[i].className.split(" ");
	            for(var j = 0;j < classes.length;j++){
	                if(classes[j] == clsName)
	                    retVal.push(elements[i]);
	            }
	        }
	        else if(elements[i].className == clsName)
	            retVal.push(elements[i]);
	    }
	    return retVal;
	}
	*/

	function showMenu(active, current) {

		if (active !== current) {
			
			if (current != '') {
				var current_main = document.getElementById('main_' + current);
				if (current_main) {
					current_main.style.backgroundImage = 'url()';
					current_main.style.backgroundColor = 'transparent';
					current_main.getElementsByTagName('a').item(0).style.color = '#404040';
				}
  		}
			
			var active_main = document.getElementById('main_' + active);
			
			/*if (active == '5') {	// if the last item
				active_main.style.backgroundImage = 'url("../pics/layout/nav_main_selected_last.gif")';					
			}
			else if (active == '4') {  // if the semi-last item
	      active_main.style.backgroundImage = 'url("../pics/layout/nav_main_selected_whole2.gif")';
      }
			else {*/
			active_main.style.backgroundImage = 'url("/pics/layout/menu_selected.gif")';
			active_main.style.backgroundColor = '093b38';
			active_main.getElementsByTagName('a').item(0).style.color = '#e0e0e0';
			/*}*/
			
			var current_sub = document.getElementById('sub_' + current);
			if (current_sub) {
			  current_sub.style.display = 'none';
			}
			var active_sub = document.getElementById('sub_' + active);
			if (active_sub) {
			  active_sub.style.display = 'block';
			}
			
			/*if (current > -1 && current < 4) {
				var current_sub = document.getElementById('sub_' + current);
				current_sub.style.display = 'none';
			}
			
			if (active < 4) {
				var active_sub = document.getElementById('sub_' + active);
				active_sub.style.display = 'block';
			} */
		
		}
	}
	
	function hideMenu(active, current) {
		
		if (active != current) {
		
			if (current != '') {
				var current_main = document.getElementById('main_' + current);
				/*if (current == 4) {
				  current_main.style.backgroundImage = 'url("../pics/layout/nav_main_selected_whole2.gif")';
        }
        else if (current == 5) {
          current_main.style.backgroundImage = 'url("../pics/layout/nav_main_selected_last.gif")';
        }
        else {  */
		if (current_main) {
          current_main.style.backgroundImage = 'url("/pics/layout/menu_selected.gif")';
          current_main.style.backgroundColor = '#093b38';
          current_main.getElementsByTagName('a').item(0).style.color = '#e0e0e0';
		}
        /*}  */
			}
			
			var active_main = document.getElementById('main_' + active);
			active_main.style.backgroundImage = 'url()';
			active_main.style.backgroundColor = 'transparent';
			active_main.getElementsByTagName('a').item(0).style.color = '#404040';
			
			var current_sub = document.getElementById('sub_' + current);
			if (current_sub) {
			  current_sub.style.display = 'block';
			}
			var active_sub = document.getElementById('sub_' + active);
			if (active_sub) {
			  active_sub.style.display = 'none';
			}
			/*
			if (current > -1 && current < 4) {
				var current_sub = document.getElementById('sub_' + current);
				current_sub.style.display = 'block';
			}
			
			if (active < 4) {
				var active_sub = document.getElementById('sub_' + active);
				active_sub.style.display = 'none';
			} */
			
		}
	}