/*----------------------------------------------------
// js_functions.js
//
// written by Kevin Eyer (keyer@frymulti.com)
// Fry Multimedia
//--------------------------------------------------*/

// define menu attributes here
menuColor="#112D3A"
menuColorOn="#275C80"
fontColorOn="#ffffff"
fontColorOff="#ffffff"
lineColor = "#112D3A"
separator="<img src=images/clear.gif height=1 width=1>"


//*---------------------------------------------------
// shows the drop down menu 
// expected arg is active div
//--------------------------------------------------*/
function showDDNav(){
	args = showDDNav.arguments;
	if(br=="N"){
		var args, theObj;
		args = showDDNav.arguments;
		theObj = eval(args[1]);
  		if (theObj) if(theObj.visibility=='hide'){theObj.visibility = 'show';}
	}
	else if(br=="IE"){
		theObj=eval(args[0]);
		if (theObj){ 			
			if(theObj.style.visibility=='hidden'){
				// activate hideElement to hide <select> boxes
				//hideElement('SELECT');
				theObj.style.visibility = 'visible'
			}
		}
	}
	else{return}
}

//*---------------------------------------------------
// hides the drop down menu 
// expected arg is active div 
//--------------------------------------------------*/
function hideDDNav(){
	args = hideDDNav.arguments;
	if(br=="N"){
		var args, theObj;
		args = hideDDNav.arguments;
		theObj = eval(args[1]);
		if (theObj) if(theObj.visibility=='show'){theObj.visibility = 'hide';}
	}
	else if(br=="IE"){
		theObj=eval(args[0]);
		if (theObj) if(theObj.style.visibility=='visible'){showElement('SELECT');theObj.style.visibility = 'hidden'}
		}
	else{return}
}

//*---------------------------------------------------
// hides drop down menu when menu is active
// expected arg is active menu
//--------------------------------------------------*/
function hideDiv(){
	args = hideDiv.arguments;
	if(br=="N"){}
	else if(br=="IE"){
		theObj=eval(args[0]);
		// calculate active size of menu
		leftDiv=theObj.offsetLeft +2
		rightDiv=theObj.offsetLeft + theObj.clientWidth -2
		topDiv=theObj.offsetTop +2
		bottomDiv=theObj.offsetTop + theObj.clientHeight -2		
		if(window.event.clientY > bottomDiv || 
			window.event.clientY < topDiv || 
			window.event.clientX < leftDiv || 
			window.event.clientX > rightDiv)
			{
			theObj.style.visibility = 'hidden';
			 // activate showElement to show <select> menu's
			 //showElement('SELECT');
			}				
		}
	else{return}
}

//*---------------------------------------------------
// highlight menuitem
// expected arg is active menuitem
//--------------------------------------------------*/
function divOver(){
	args = divOver.arguments;
	if(br=="N"){}
	else if(br=="IE"){
		theObj=eval(args[0]);
		theObj.style.backgroundColor=menuColorOn;
	}
	else{return}
}

//*---------------------------------------------------
// highlight off menuitem
// expected arg is active menuitem
//--------------------------------------------------*/
function divOut(){
	args = divOut.arguments;
	if(br=="N"){}
	else if(br=="IE"){
	theObj=eval(args[0]);
		theObj.style.backgroundColor=menuColor;
	}
	else{return}
}

//*---------------------------------------------------
// highlight on menuitem in netscape
// expected arg is active menuitem
//--------------------------------------------------*/
function menuOver(){
	var args, theMenu;
	args = menuOver.arguments;
	theMenu = eval(args[0]);
	theMenu.bgColor=menuColorOn 
}

//*---------------------------------------------------
// highlight off menuitem in netscape
// expected arg is active menuitem
//--------------------------------------------------*/
function menuOut(){
	var args, theMenu;
	args = menuOut.arguments;
	theMenu = eval(args[0]);
	theMenu.bgColor=menuColor 
}

//*---------------------------------------------------
// goes to specified url
// expected arg is url 
//--------------------------------------------------*/
function gotoUrl(){
	args = gotoUrl.arguments;
	location.href=args[0]
}

//*---------------------------------------------------
// hides specified tag
//--------------------------------------------------*/
function hideElement(HTMLtag)
{
	for (i = 0; i < document.all.tags(HTMLtag).length; i++)
	{
		obj = document.all.tags(HTMLtag)[i];
		obj.style.visibility = "hidden";
	}
}

//*---------------------------------------------------
// shows specified tag
//--------------------------------------------------*/
function showElement(HTMLtag)
{
	for (i = 1; i < document.all.tags(HTMLtag).length; i++)
	{
		obj = document.all.tags(HTMLtag)[i];
		obj.style.visibility = "visible";
	}
}

//*---------------------------------------------------
// build the divs for IE
// expected args are 'div name','x in menudata aray',
// 'menu left coord','top in pixels' 
//--------------------------------------------------*/
var tdID = 0
function doDiv(){
	args = doDiv.arguments;
	var divID = args[0];
	var x = args[1];
	var divLeft = args[2];
	var divTop = args[3];

	objDiv = "<div id=\"" + divID + "\" style=\"position:absolute; width:150px; z-index:2; top:"+ divTop +"px; left: " + divLeft + "; background-color: #112D3A; border:1 solid #ffffff; visibility: hidden;\" onMouseover=\"showDDNav('document.all[\\'"+ divID +"\\']')\"  onMouseout=\"hideDiv('document.all[\\'" + divID + "\\']')\">"
	objDiv += "<div id=\"spacer\" style=\"position:relative; height:3px; width:130px; z-index:3; left: 5; font-size:1;\"></div>"
	
	for (y = 0; y < 15; y++){
	    if(menuData[x][y][0]!=null){
		objDiv += "<div id=\"bar\" style=\"position:relative; height:1; width:120px; z-index:3; left: 20; background-color:" + lineColor + ";\">" + separator + "</div>"
		objDiv += "<div id=\"x" + tdID + "\" style=\"position:relative; background-color:"+ menuColor +"; width:140px; z-index:3; left: 5;\" onMouseover=\"divOver('document.all[\\'x" + tdID + "\\']')\" onMouseout=\"divOut('document.all[\\'x" + tdID + "\\']')\" class=\"dhtmlNav\" onClick=\"gotoUrl('"+menuData[x][y][1]+"')\">&nbsp;"+ menuData[x][y][0] +"&nbsp;</div>"
		tdID = tdID +1
		}
	}
	objDiv += "<div id=\"bar\" style=\"position:relative; height:1; width:120px; z-index:3; left: 20; background-color:" + lineColor + ";\">" + separator + "</div>"
	objDiv += "<div id=\"spacer\" style=\"position:relative; height:8px; width:1px; z-index:3; left: 5; font-size:1;\"></div></div>"
	
	document.write(objDiv);
}


//*---------------------------------------------------
// build the layers for netscape
// expected args are 'div name','x in menudata aray',
// 'menu left coord','top in pixels' 
//--------------------------------------------------*/
function doLayer(){
	args = doLayer.arguments;
	var nestLayerID=0
	var layerID = args[0];
	var x = args[1];
	var layerLeft = args[2];
	var layerTop = args[3];

	if(navigator.platform.indexOf("Win") < 0){layerInc=16;layerStyle="netMenuMac";}
	else{layerInc=15;layerStyle="netMenu";}	
		
	objDiv = "<layer id=\""+ layerID +"\" Z-INDEX=1 BGCOLOR=\""+ menuColor +"\" WIDTH=110 LEFT="+ layerLeft +" TOP="+ layerTop +" VISIBILITY=HIDE onmouseover=\"showDDNav('','document.layers[\\'"+ layerID +"\\']')\" onmouseout=\"hideDDNav('','document.layers[\\'"+ layerID +"\\']')\">"
	
	var nestTop=10
		for (y = 0; y < 15; y++){
		    if(menuData[x][y][0]!=null){
			objDiv += "<layer id=\"line2\" BGCOLOR=\""+ lineColor +"\" WIDTH=1 HEIGHT=1 Z-INDEX=8 LEFT=5 TOP="+ nestTop +">"+ separator +"</layer>"
			objDiv += "<layer id=\"x"+nestLayerID+"\" class=\""+ layerStyle +"\" Z-INDEX=7 BGCOLOR=\""+ menuColor +"\" HEIGHT=1 WIDTH=144 LEFT=5 TOP="+ nestTop +" onmouseover=\"menuOver('document.layers[\\'"+ layerID +"\\'].document.layers[\\'x"+nestLayerID+"\\']')\" onmouseout=\"menuOut('document.layers[\\'"+ layerID +"\\'].document.layers[\\'x"+nestLayerID+"\\']')\" onClick=\"gotoUrl('"+menuData[x][y][1]+"')\"><a id=navstyle  href=javascript:gotoUrl('"+menuData[x][y][1]+"')><font color=" + fontColorOff + ">"+ menuData[x][y][0]
			objDiv +="</font></a></layer>"		
			nestLayerID=nestLayerID+1
			nestTop=nestTop+layerInc+1
			}
		}
		objDiv += "<layer id=\"line2\" BGCOLOR=\""+ lineColor +"\" WIDTH=1 LEFT=5 HEIGHT=1 Z-INDEX=8 TOP="+ nestTop +">"+ separator +"</layer>"
		objDiv +="<layer id=\"lineEnd\" BGCOLOR=\""+ menuColor +"\" WIDTH=154 HEIGHT=8 Z-INDEX=7 TOP="+ nestTop +"></layer></layer>"

	document.write(objDiv)
}