/***********************************************************************************
*	(c) Ger Versluis 2000 version 5.411 24 December 2001 (updated Jan 31st, 2003 by Dynamic Drive for Opera7)
*	For info write to menus@burmees.nl		          *
*	You may remove all comments for faster loading	          *		
***********************************************************************************/


	var NoOffFirstLineMenus=12;			// Number of first level items
	var LowBgColor='#2e4560';			// Background color when mouse is not over
	var LowSubBgColor='#2e4560';			// Background color when mouse is not over on subs
	var HighBgColor='#445C78';			// Background color when mouse is over
	var HighSubBgColor='#445C78';			// Background color when mouse is over on subs
	var FontLowColor='#E5E5CA';			// Font color when mouse is not over
	var FontSubLowColor='#E5E5CA';			// Font color subs when mouse is not over
	var FontHighColor='#cccc99';			// Font color when mouse is over
	var FontSubHighColor='#cccc99';			// Font color subs when mouse is over
	var BorderColor='#2e4560';			// Border color
	var BorderSubColor='#445C78';			// Border color for subs
	var BorderWidth=1;				// Border width
	var BorderBtwnElmnts=0;			// Border between elements 1 or 0
	var FontFamily="tahoma, sans serif, technical"	// Font family menu items
	var FontSize=8;				// Font size menu items
	var FontBold=1;				// Bold menu items 1 or 0
	var FontItalic=0;				// Italic menu items 1 or 0
	var MenuTextCentered='left';			// Item text position 'left', 'center' or 'right'
	var MenuCentered='left';			// Menu horizontal position 'left', 'center' or 'right'
	var MenuVerticalCentered='top';		// Menu vertical position 'top', 'middle','bottom' or static
	var ChildOverlap=0;				// horizontal overlap child/ parent
	var ChildVerticalOverlap=0;			// vertical overlap child/ parent
	var StartTop=0;				// Menu offset x coordinate
	var StartLeft=0;				// Menu offset y coordinate
	var VerCorrect=0;				// Multiple frames y correction
	var HorCorrect=0;				// Multiple frames x correction
	var LeftPaddng=2;				// Left padding
	var TopPaddng=2;				// Top padding
	var FirstLineHorizontal=0;			// SET TO 1 FOR HORIZONTAL MENU, 0 FOR VERTICAL
	var MenuFramesVertical=1;			// Frames in cols or rows 1 or 0
	var DissapearDelay=1000;			// delay before menu folds in
	var TakeOverBgColor=1;			// Menu frame takes over background color subitem frame
	var FirstLineFrame='navig';			// Frame where first level appears
	var SecLineFrame='space';			// Frame where sub levels appear
	var DocTargetFrame='space';			// Frame where target documents appear
	var TargetLoc='menupos';				// span id for relative positioning
	var HideTop=0;				// Hide first level when loading new document 1 or 0
	var MenuWrap=1;				// enables/ disables menu wrap 1 or 0
	var RightToLeft=0;				// enables/ disables right to left unfold 1 or 0
	var UnfoldsOnClick=0;			// Level 1 unfolds onclick/ onmouseover
	var WebMasterCheck=0;			// menu tree checking on or off 1 or 0
	var ShowArrow=1;				// Uses arrow gifs when 1
	var KeepHilite=1;				// Keep selected path highligthed
	var Arrws=['tri.gif',5,10,'tridown.gif',10,5,'trileft.gif',5,10];	// Arrow source, width and height

function BeforeStart(){return}
function AfterBuild(){return}
function BeforeFirstOpen(){return}
function AfterCloseAll(){return}


function PopUp(PopUpUrl){
    var ScreenWidth=window.screen.width;
    var ScreenHeight=window.screen.height;
    var movefromedge=0;
    placementx=(ScreenWidth/2)-((750)/2);
    placementy=(ScreenHeight/2)-((600+50)/2);
    WinPop=window.open(PopUpUrl,"","width=1000,height=700,toolbar=1,location=0,directories=0,status=1,scrollbars=1,menubar=1,resizable=1,left="+placementx+",top="+placementy+",screenX="+placementx+",screenY="+placementy+",");
   }

// Menu tree
//	MenuX=new Array(Text to show, Link, background image (optional), number of sub elements, height, width);
//	For rollover images set "Text to show" to:  "rollover:Image1.jpg:Image2.jpg"

Menu1=new Array("Welcome","btw_students.shtml","",0,20,132);

Menu2=new Array("5 Core Modules","#","",5,20);
	Menu2_1=new Array("Alien Invaders: Assessing Exotic Invasive Species","aliens_students.shtml","",0,35,180);
	Menu2_2=new Array("Don't Get Sedimental: Runoff and Sediment in the River","sedimental_students.shtml","",0);
	Menu2_3=new Array("Talkin' Trash: Make a Litter Difference","talkintrash_students.shtml","",0,30);
	Menu2_4=new Array("Water Canaries: Assessing Benthic Macroinvertebrates","canaries_students.shtml","",0,30);
	Menu2_5=new Array("Watershed Watchdogs: Assessing Water Quality","watchdogs_students.shtml","",0,30);
		

Menu3=new Array("Park Specific Units","#","",5,20);
	Menu3_1=new Array("Herring Highway: Rock Creek National Park","herringhighway_students.shtml","",0,20,300);
	Menu3_2=new Array("Mine Over Matter: Prince William Forest Park","mineovermatter.shtml","",0,20,300);
	Menu3_3=new Array("Potomac Gorge: C&O Canal National Historical Park and George Washington Memorial Parkway","potomacgorge.shtml","",0,35,300);
	Menu3_4=new Array("Urban Pools: National Mall & Memorial Parks","urbanpools_students.shtml","",0,20,300);
	Menu3_5=new Array("WaterPower: Harpers Ferry National Historical Park","waterpower_students.shtml","",0,20,300);
	

Menu4=new Array("Interactive Lessons","#","",4,20);
	Menu4_1=new Array("Plant Identification - Prepare for Alien Invaders","javascript:PopUp('plantid/habitats.shtml')","",0,35,190);
	Menu4_2=new Array("Fish Identification - Basic Fish Anatomy Practice","javascript:PopUp('fishidbtw/index.shtml')","",0);
	Menu4_3=new Array("Macro-Invertebrate Identification - Prepare for Water Canaries","javascript:PopUp('macroid/index.shtml')","",0,45);
	Menu4_4=new Array("Swim for Your Life! Fish Game - Prepare for Herring Highway","javascript:PopUp('gofish/index.shtml')","",0);

	
Menu5=new Array("Watershed Lessons","#","",4);
	Menu5_1=new Array("What is a Watershed? Beyond the Definition","watershed.shtml","",0,35,185);
	Menu5_2=new Array("Watershed Map with Parks & Schools - The BIG Picture","watershed_map.shtml","",0);
	Menu5_3=new Array("Watershed Timeline - A not so clean record of Potomac History","javascript:PopUp('watershed_timeline/timeline_frameset.shtml')","",0);
	Menu5_4=new Array("Watershed Glossary","javascript:PopUp('glossary.shtml')","",0,20);
		
Menu6=new Array("Field Studies","#","",2);
	Menu6_1=new Array("Preparing for a Field Study","btw_prepare.shtml","",0,20,185);
	Menu6_2=new Array("Model Field Study","fieldstudy.shtml","",0,20);
	
Menu7=new Array("Student Action","#","",8);
	Menu7_1=new Array("What is Student Action?","studentaction.shtml","",0,20,185);
	Menu7_2=new Array("Take Action","take_action.shtml","",0,20);
	Menu7_3=new Array("Visit a Park","visit_park.shtml","",0,20);
	Menu7_4=new Array("Student Action Jobs","action_jobs.shtml","",0,20);
	Menu7_5=new Array("Student Action Links","action_links.shtml","",0,20);
	Menu7_6=new Array("Students in Action","../gallery.shtml","",0,20);
	Menu7_7=new Array("Register","register.php","",0,20);
	Menu7_8=new Array("Report an Action","report.shtml","",0,20);
	
	
Menu8=new Array("Parks - Get to know your National Park","#","",11,30);
	Menu8_1=new Array("C&O Canal National Historical Park","cocanal.shtml","",0,20,230);
	Menu8_2=new Array("Ford's Theatre National Historic Site","fords_theatre.shtml","",0);	
	Menu8_3=new Array("George Washington Memorial Parkway","gwmp.shtml","",0);
	Menu8_4=new Array("Harpers Ferry National Historical Park", "harpers_ferry.shtml","",0);
	Menu8_5=new Array("Manassas National Battlefield Park","manassas_nb.shtml","",0);
	Menu8_6=new Array("Monocacy National Battlefield","monocacy.shtml","",0);
	Menu8_7=new Array("National Mall and Memorial Parks","national_mall.shtml",0);	
	Menu8_8=new Array("National Capital Parks-East", "ncpe.shtml","",0);
	Menu8_9=new Array("President's Park","presidents_park.shtml","",0);
	Menu8_10=new Array("Prince William Forest Park","prince_william.shtml","",0);
	Menu8_11=new Array("Rock Creek National Park","rock_creek.shtml",0);	
	
Menu9=new Array("Photos & Videos","#","",3);
	Menu9_1=new Array("Field Study Photos","javascript:PopUp('ed_photos.shtml')","",0,20,225);
	Menu9_2=new Array("Programs Video","javascript:PopUp('ed_video.shtml')","",0);
	Menu9_3=new Array("More...","../gallery.shtml","",0);	
	
	
Menu10=new Array("Contact Information","../contact.shtml","",0);
	

Menu11=new Array("Site Map","../affsitemap.shtml","",0);
	

Menu12=new Array("BTW Home","btw_index.shtml","",0);