var hideMenuTimer = null;
var openDivs = null;

var mmOpenContainer = null;
var mmOpenMenus = null;
var mmHideMenuTimer = null;
//var mmHideMenuTimer = null;


function MM_menuStartTimeout(hideTimeout) {
	mmHideMenuTimer = setTimeout("MM_menuHideMenus()", hideTimeout);	
}

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;
	}
}

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;
}

function MM_menuShowMenu(containName, menuName, xOffset, yOffset, triggerName) {
	MM_menuHideMenus();
	MM_menuResetTimeout();
	MM_menuShowMenuContainer(containName, xOffset, yOffset, triggerName);
	MM_menuShowSubMenu(menuName);
}

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

//**/

function delayHide(element) {
	
	if(element == "northwest") {
		
		hideMenuTimer = setTimeout("hide('northwest')", 1000);
		
	} else if(element == "northeast") {
		
		hideMenuTimer = setTimeout("hide('northeast')", 1000);
		
	} else if(element == "central") {
		
		hideMenuTimer = setTimeout("hide('central')", 1000);
		
	} else if(element == "southwest") {
		
		hideMenuTimer = setTimeout("hide('southwest')", 1000);
		
	} else if(element == "southeast") {
		
		hideMenuTimer = setTimeout("hide('southeast')", 1000);
		
	} else if(element == "all-schools") {
		
		hideMenuTimer = setTimeout("hide('all-schools')", 1000);
		
	} else if(element == "four-year-schools") {
		
		hideMenuTimer = setTimeout("hide('four-year-schools')", 1000);
		
	}  else if(element == "two-year-schools") {
		
		hideMenuTimer = setTimeout("hide('two-year-schools')", 1000);
		
	}
	
}

function hide(element) {
	

	if (hideMenuTimer) {
		
		clearTimeout(hideMenuTimer);
	
		hideMenuTimer = null;
	
	}

	if( openDivs ) {
		for(var i in openDivs) {
			var m = document.getElementById(openDivs[i]);
			m.style.display="none";			
		}
		openDivs = null;
	}

	var c = document.getElementById(element); 
	var s = c.style; 
	s.display="none";

}

function show(element) {
	
	if( openDivs ) {
		for(var i in openDivs) {
			var m = document.getElementById(openDivs[i]);
			m.style.display="none";			
		}
		openDivs = null;
	}

	if (hideMenuTimer) {
		
		clearTimeout(hideMenuTimer);
	
		hideMenuTimer = null;
	
	}
	
	if(element == "northwest") {

		var c = document.getElementById(element);
		var s = c.style;
		s.display="block";

		if( !openDivs ) {
			
			openDivs  = new Array;
		
		}		openDivs[openDivs.length] = "" + element;

	} else if(element == "northeast") {
		
		var c = document.getElementById(element);
		var s = c.style;
		s.display="block";

		if( !openDivs ) {
			
			openDivs  = new Array;
		
		}		openDivs[openDivs.length] = "" + element;
		
	} else if(element == "central") {

		var c = document.getElementById(element);
		var s = c.style;
		s.display="block";

		if( !openDivs ) {
			
			openDivs  = new Array;
		
		}		openDivs[openDivs.length] = "" + element;
			
	} else if(element == "southwest") {

		var c = document.getElementById(element);
		var s = c.style;
		s.display="block";

		if( !openDivs ) {
			
			openDivs  = new Array;
		
		}		openDivs[openDivs.length] = "" + element;
			
	} else if(element == "southeast") {


		var c = document.getElementById(element);
		var s = c.style;
		s.display="block";

		if( !openDivs ) {
			
			openDivs  = new Array;
		
		}		openDivs[openDivs.length] = "" + element;
			
	} else if(element == "all-schools") {
		
		var c = document.getElementById(element);
		var s = c.style;
		s.display="block";

		if( !openDivs ) {
			
			openDivs  = new Array;
		
		}		openDivs[openDivs.length] = "" + element;
			
	} else if(element == "four-year-schools") {

		var c = document.getElementById(element);
		var s = c.style;
		s.display="block";

		if( !openDivs ) {
			
			openDivs  = new Array;
		
		}		openDivs[openDivs.length] = "" + element;
		
	}  else if(element == "two-year-schools") {
	
		var c = document.getElementById(element);
		var s = c.style;
		s.display="block";

		if( !openDivs ) {
			
			openDivs  = new Array;
		
		}
		
		openDivs[openDivs.length] = "" + element;
		
	}
	
}