/**	waiMenus.js
 *	written by: Jeremy Wyman (jgwyman@gmail.com)
 *	copyright: WA Interactive 2004-2006
**/
var WaiMenu = {
	Loaded : false,
	CloseDelay : ( document.all ) ? 5000 : 500,
	
	Init : function( ) {
		for ( var i = 1; ( eval('window.WaiMenu.Data' + i) && $('menuAnchor' + i) ); i++ ) {
			var aValues  = eval('WaiMenu.Data' + i);
			var oMenuAnchor = $('menuAnchor' + i);
			
			oMenuAnchor.oChildMenu  = WaiMenu.CreateMenu(aValues, i);
			oMenuAnchor.onmouseover = WaiMenu.OpenMenu;
			oMenuAnchor.onmouseout  = WaiMenu.CloseMenu;
		}
		
		WaiMenu.Loaded = true;
	},
	
	OpenMenu : function( ) {
		if ( ! WaiMenu.Loaded ) return;
		var iXPos = 0;
		var iYPos = 20;
		if ( document.all ) {
			iYPos = 20;
		}
		oSource = this;
		
		while ( oSource != document.body ) {
			iXPos += oSource.offsetLeft;
			iYPos += oSource.offsetTop;
			oSource = oSource.offsetParent;
		}
		
		this.oChildMenu.style.left = iXPos + 'px';
		this.oChildMenu.style.top  = iYPos + 'px';
		this.oChildMenu.bActive = true;
		this.oChildMenu.style.zIndex = parseInt(Math.random() * 100);
		this.oChildMenu.style.display = 'block';
	},
	
	CloseMenu : function( ) {
		if ( ! WaiMenu.Loaded ) return;
		this.oChildMenu.bActive = false;
		this.oChildMenu.CloseDown();
	},
	
	CreateMenu : function( aValues , iMenuID ) {
		var oNewMenu = document.createElement('DIV');
		oNewMenu.id = 'WAIMenu' + iMenuID;
		oNewMenu.bActive = false;
		oNewMenu.CloseDown = WaiMenu.AttemptClose;
		oNewMenu.onmouseover = WaiMenu.onMouseOver;
		oNewMenu.onmouseout  = WaiMenu.onMouseOut;
		if ( aValues.width ) {
			oNewMenu.style.width = aValues.width + 'px';
		}
		
		var oNewAnchor;
		for (  var i = 0; i < aValues.length; i++ ) {
			if ( aValues[i][1].length ) {
				oNewAnchor = document.createElement('A');
				oNewAnchor.href = aValues[i][1];
			} else {
				oNewAnchor = document.createElement('DIV');
			}
			
			if ( aValues[i][2] != 0 ) {
				oNewAnchor.className = 'toplevel';
			}
			
			oNewAnchor.oChildMenu = oNewMenu;
			oNewAnchor.innerHTML = aValues[i][0];
			oNewAnchor.onmouseover = WaiMenu.onMouseOver;
			oNewAnchor.onmouseout  = WaiMenu.onMouseOut;
			oNewMenu.className = 'waimenu';
			oNewMenu.appendChild(oNewAnchor);
		}
		
		document.body.appendChild(oNewMenu);
		
		return oNewMenu;
	},
	
	onMouseOver : function( ) {
		if ( this.oChildMenu ) {
			this.oChildMenu.bActive = true;
		} else {
			this.bActive = true;
		}
	},
	
	onMouseOut : function( ) {
		if ( this.oChildMenu ) {
			this.oChildMenu.bActive = false;
			this.oChildMenu.CloseDown();
		} else {
			this.bActive = false;
			this.CloseDown();
		}
	},
	
	AttemptClose : function( ) {
		setTimeout('WaiMenu.KillMenu("' + this.id + '")', parseInt(WaiMenu.CloseDelay));
	},
	
	KillMenu : function( sMenuID ) {
		var oMenu = $(sMenuID);
		
		if ( ! oMenu.bActive ) {
			oMenu.style.zIndex = 1;
			oMenu.style.display = 'none';
		}
	},
	
	HomeNav : {
		show : function( sItemId ) {
			var oImg = $('hn_' + sItemId);
			oImg.src = '/images/homenav/hover_' + sItemId + '.jpg';
		},
		
		hide : function( sItemId ) {
			var oImg = $('hn_' + sItemId);
			oImg.src = '/images/a_trans.gif';
		}
	}
};