var mmOpenContainer = null;
var mmOpenMenus = null;
var mmHideMenuTimer = null;
/* BJM */
var openTimer = null;
var openDelay = '150';

/*  BJM Function to hide the form select when Nav Menu tries to overlap it */ 
var isMenu = true;
function BM_hideForm(){
      isMenu = false;
      document.getElementById("formselect").style.visibility="hidden";
}
	
/*  BJM Function to show the form select when Nav Menu is hidden */ 
function BM_showForm(){
      if(!isMenu){
        document.getElementById("formselect").style.visibility="visible";
      }
	  isMenu = true;
}

function MM_menuStartTimeout(hideTimeout) {
	mmHideMenuTimer = setTimeout("MM_menuHideMenus()", hideTimeout);	
	/* BJM */
	BM_menuResetTimeout();
}

function MM_menuHideMenus() {
	MM_menuResetTimeout();
	if(mmOpenContainer) {
		var c = document.getElementById(mmOpenContainer);
		c.style.visibility = "inherit";
		mmOpenContainer = null;
	}
	if( mmOpenMenus ) {
		for(var i in mmOpenMenus) {
			var m = document.getElementById(mmOpenMenus[i]);
			m.style.visibility = "hidden";			
		}
		mmOpenMenus = null;
	}
	
/* BJM  To show the form when Nav Menu is hidden */ 	
	BM_showForm();	
}

function MM_menuHideSubmenus(menuName) {
	if( mmOpenMenus ) {
		var h = false;
		var c = 0;
		for(var i in mmOpenMenus) {
			if( h ) {
				var m = document.getElementById(mmOpenMenus[i]);
				m.style.visibility = "hidden";
			} else if( mmOpenMenus[i] == menuName ) {
				h = true;
			} else {
				c++;
			}
		}
		mmOpenMenus.length = c+1;
	}
}

function MM_menuOverMenuItem(menuName, subMenuSuffix) {
	MM_menuResetTimeout();
	MM_menuHideSubmenus(menuName);
	if( subMenuSuffix ) {
		var subMenuName = "" + menuName + "_" + subMenuSuffix;
		MM_menuShowSubMenu(subMenuName);
	}
}

function MM_menuShowSubMenu(subMenuName) {
	MM_menuResetTimeout();
	var e = document.getElementById(subMenuName);
	e.style.visibility = "inherit";
	if( !mmOpenMenus ) {
		mmOpenMenus = new Array;
	}
	mmOpenMenus[mmOpenMenus.length] = "" + subMenuName;
}

function MM_menuResetTimeout() {
	if (mmHideMenuTimer) clearTimeout(mmHideMenuTimer);
	mmHideMenuTimer = null;
}

/*  BJM Function */
function BM_menuResetTimeout() {
	if (openTimer) clearTimeout(openTimer);
	openTimer = null;
}



function MM_menuShowMenu(containName, menuName, xOffset, yOffset, triggerName) {
	/* BJM */
	c=containName; m=menuName; x=xOffset; y=yOffset; t=triggerName;
	/* BJM 
	openTimer=setTimeout("MM_menuShowMenuContainer(c, x, y, t)", openDelay); */
	MM_menuShowMenuContainer(containName, x, y, triggerName);
	MM_menuHideMenus();
	MM_menuResetTimeout();
	openTimer=setTimeout ("MM_menuShowSubMenu(m);", openDelay);

    /* BJM  To hide the form select object when nav menu tries to overlap it */	
    BM_hideForm();
}

function MM_menuShowMenuContainer(containName, x, y, triggerName) {	
	var c = document.getElementById(containName);
	var s = c.style;
	s.visibility = "inherit";
	mmOpenContainer = "" + containName;
}