function ChangeImg() {
	if(document.images) {
		eval("document."+ChangeImg.arguments[0] + ".src=('"+ChangeImg.arguments[1]+"')");
	}
}

function set_active_menu_item(id)
{
	i = 1;
	count = 4;
	
	/*
	while(i < count + 1){
		document.getElementById('menu_item_' + i).className = 'no_active_item_' + i;
		
		i++;
	}
	*/
	if(document.getElementById('sub_menu_'+id)){
		if(id != ''){
			document.getElementById('sub_menu_' + id).style.display = 'block';
			document.getElementById('arrow_' + id).style.display = 'block';
			if(document.getElementById('menu_item_'+id)){
				a = (document.getElementById('menu_item_'+id).clientWidth - 200)/2;
				document.getElementById('sub_menu_'+id).style.left = a + 'px';
				
				a = (document.getElementById('menu_item_'+id).clientWidth - 14)/2;
				document.getElementById('arrow_'+id).style.left = a + 'px';
			}
			else{
				a = (document.getElementById('menu_item'+id).clientWidth - 200)/2;
				document.getElementById('sub_menu_'+id).style.left = a + 'px';
				
				a = (document.getElementById('menu_item_'+id).clientWidth - 14)/2;
				document.getElementById('arrow_'+id).style.left = a + 'px';
			}
		}
	}
	
	/*document.getElementById('menu_item_' + id).className = 'active_item_' + id;*/
}

function set_deactive_menu_item(id)
{
	/*document.getElementById('menu_item_' + id).className = 'no_active_item_' + id;*/
	
	if(document.getElementById('sub_menu_'+id)){
		if(id != ''){
			document.getElementById('sub_menu_' + id).style.display = 'none';
			document.getElementById('arrow_' + id).style.display = 'none';
		}
	}
}