var m1_1_active = 0;
var m1_2_active = 0;
var m1_3_active = 0;
var m1_4_active = 0;
var active_menu = 0;
var menu_count = 3;

function subMenuOver(elem) {
	menu_name = 'm' + (elem.id.substring(1, (elem.id.length))).substring(0, 3);
	eval(menu_name+"_active = 1");
	if (elem.className != "sub-menu-header") {
		elem.className = 'sub-menu-over';
	}
}

function subMenuOut(elem) {
	menu_name = 'm' + (elem.id.substring(1, (elem.id.length))).substring(0, 3);
	eval(menu_name+"_active = 0");
	elem.className = 'sub-menu-out';
}
  
function menuShow(menu_name, is_click) {
	//alert(is_click +" - "+active_menu);
	if (is_click != 1) {
		if (active_menu != 0) {
			//alert('display - 0');
			if(active_menu == menu_name) {
				//alert('display - 1');
				document.getElementById(menu_name).style.visibility = 'visible';
			}
		}
	}else{
		if (menu_name != "no-menu") {
			active_menu = menu_name;
			hideAll();
				//alert('display - 2');
			document.getElementById(menu_name).style.visibility = 'visible';
		}else{
			//alert('display - 3');
			hideAll();
			active_menu = 0;
		}
	}
}

function menuHide(elem) {
	setTimeout("timeHide("+elem.id+")", 500);
}

function timeHide(elem) {
	if (eval(elem.id+"_active") == 0) {
		document.getElementById(elem.id).style.visibility = 'hidden';
	} 
}

function hideAll() {
	for (i = 1; i < (menu_count+1); i++){
		document.getElementById("m1_"+i).style.visibility = 'hidden';
	}
}

function loadPage(page) {
	document.getElementById('main-iframe').src = page;
	hideAll();
}

function clickmenu(elem, page, pic_nr) {
	if(elem.id != menuactive) {
		document.getElementById('i_'+elem.id).src = 'images/'+elem.id+'_2.gif';
		document.getElementById('i_'+menuactive).src = 'images/'+menuactive+'_1.gif';
		
		document.getElementById('image-left').className = 'image-left-'+pic_nr;
		if(page != "") {
			document.getElementById('main-iframe').src = page;
		}
		menuactive = elem.id;
	}
}