function getElementsByNameIE(tag, name) {
     var elem = document.getElementsByTagName(tag);
     var arr = new Array();
     for(i = 0,iarr = 0; i < elem.length; i++) {
          att = elem[i].getAttribute("name");
          if(att == name) {
               arr[iarr] = elem[i];
               iarr++;
          }
     }
     return arr;
}

function activateMenu(menuItem) {
	document.getElementById("mainMenu" + menuItem).className = 'main_menu_sel';
	var dropDownLeft = 0;
	var subMenuArray = getElementsByNameIE('div', 'mainMenu');
	var item = 0;
	for (item = 0; item < parseInt(menuItem); item++) {
		dropDownLeft += parseInt(document.getElementById("mainMenu" + item).clientWidth);
	}
	document.getElementById("subMenu" + menuItem).style.display = 'block';
	document.getElementById("subMenu" + menuItem).style.left = dropDownLeft + 14 + 'px';
	document.getElementById("menuStretcher" + menuItem).style.width = document.getElementById("mainMenu" + item).style.width;
	document.getElementById("menuStretcher" + menuItem).style.display = 'block';
}

function resetMenuSelection(menuItem) {
	document.getElementById("mainMenu" + menuItem).className = 'main_menu_no_sel';
	document.getElementById("subMenu" + menuItem).style.display = 'none';
}

function resetActiveMenuSelection(memuItem) {
    document.getElementById("subMenu" + memuItem).style.display = 'none';
}

function activeSubMenu(item) {
	item.className = "dropdown_menu_active";
}

function noActiveSubMenu(item) {
	item.className = "dropdown_menu_inactive";
}