var DDSPEED = 2;
var DDTIMER = 5;

// main function to handle the mouse events //
function ddMenu(id,d){
  //~ $('#flash_menu').html(' ');
  if (holdFlash) {
	eval(clearFlash);
  }
  var h = document.getElementById(id + '-ddheader');
  var c = document.getElementById(id + '-ddcontent');
  clearInterval(c.timer);
  if(d == 1){
    clearTimeout(h.timer);
    if(c.maxh && c.maxh <= c.offsetHeight){return}
    else if(!c.maxh){
      c.style.display = 'block';
      c.style.height = 'auto';
      c.maxh = c.offsetHeight;
      c.style.height = '0px';
    }
    c.timer = setInterval(function(){ddSlide(c,1)},DDTIMER);
  }else{
    h.timer = setTimeout(function(){ddCollapse(c)},50);
  }
}

// collapse the menu //
function ddCollapse(c){
  c.timer = setInterval(function(){ddSlide(c,-1)},DDTIMER);
  if (holdFlash) {
	eval(window.restoreFlash);
  }
}

// cancel the collapse if a user rolls over the dropdown //
function cancelHide(id){
  var h = document.getElementById(id + '-ddheader');
  var c = document.getElementById(id + '-ddcontent');
  clearTimeout(h.timer);
  clearInterval(c.timer);
  if(c.offsetHeight < c.maxh){
    c.timer = setInterval(function(){ddSlide(c,1)},DDTIMER);
  }
}

// incrementally expand/contract the dropdown and change the opacity //
function ddSlide(c,d){
  var currh = c.offsetHeight;
  var dist;
  if(d == 1){
    dist = (Math.round((c.maxh - currh) / DDSPEED));
  }else{
    dist = (Math.round(currh / DDSPEED));
  }
  if(dist <= 1 && d == 1){
    dist = 1;
  }
  c.style.height = currh + (dist * d) + 'px';
  c.style.opacity = currh / c.maxh;
  c.style.filter = 'alpha(opacity=' + (currh * 100 / c.maxh) + ')';
  if((currh < 2 && d != 1) || (currh > (c.maxh - 2) && d == 1)){
    clearInterval(c.timer);
  }
}

/**
 * Inline code moved here.
 */
//findPos function is from http://www.quirksmode.org/js/findpos.html;
//where its workings are explained in more detail.
function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			if (obj.id != 'main2') {
				curleft += obj.offsetLeft
				curtop += obj.offsetTop
			}
		}
	}
	if (navigator.appName == 'Microsoft Internet Explorer') {
		curtop  -= 5;
		curleft -= 10;
	} else if (navigator.appName == 'Opera') {
		curtop  += 11;
	}
	return [curleft,curtop];
}

function display_menu(parent,named, nDown)
{
	//get the named menu
	var menu_element = document.getElementById(named);
	//override the 'display:none;' style attribute
	menu_element.style.display = "";
	//get the placement of the element that invoked the menu...
	var placement = findPos(parent);
	//...and put the menu there
	menu_element.style.left = placement[0] + "px";
	if (nDown) {
		menu_element.style.top = (placement[1] + nDown) + "px";
	} else {
		menu_element.style.top = placement[1] + "px";
	}
	
	if (named == 'loginPopup') {
		$('#loginEmail').focus();
	}
}

function slideDown_menu(parent,named, nDown)
{
	var menu_element = document.getElementById(named);
	var placement = findPos(parent);
	menu_element.style.left = placement[0] + "px";
	if (nDown) {
		menu_element.style.top = (placement[1] + nDown) + "px";
	} else {
		menu_element.style.top = placement[1] + "px";
	}
	
	$('#' + named).slideDown();
}

//Hide menu
function hide_menu(named)
{
	var menu_element = document.getElementById(named);
	menu_element.style.display = "none";
}

function hide_other_menu()
{
	document.getElementById('mnu1').style.display			= "none";
	document.getElementById('menu1').style.display			= "none";
	
	document.getElementById('mnuLoginPopup').style.display		= "none";
	document.getElementById('loginPopup').style.display		= "none";
	
	document.getElementById('mnuNewsletterPopup').style.display	= "none";
	document.getElementById('newsletterPopup').style.display	= "none";
}

// eof