function changeBackground(page,subpage){
	if(navigator.appName=='Microsoft Internet Explorer'){
		if(page!='events'&&page!='photos'){
		document.getElementById('content').style.width='350px';
		}
	} else {
		if(page=='events'){
			document.getElementById('bottom').style.paddingTop='255px';
		} 
	}
	
	switch(page){

	case "strykers":
	if(subpage=='diningroom'){
		document.getElementById("middle").style.background="url('images/back_diningroom.jpg')";
	}else if(subpage=='grill'){
		document.getElementById("middle").style.background="url('images/back_grill.jpg')";
	}else if(subpage=='deck'){
		document.getElementById("middle").style.background="url('images/back_deck.jpg')";
	}else{
		document.getElementById("middle").style.background="url('images/back_strykers.jpg')";
	}
	break;

	case "lanes":
	if(subpage=='leagueplay'){
		document.getElementById("middle").style.background="url('images/back_leagueplay.jpg')";
	}else if(subpage=='games'){
		document.getElementById("middle").style.background="url('images/back_games.jpg')";
	}else{
		document.getElementById("middle").style.background="url('images/back_lanes.jpg')";
	}
	break;

	case "menu":
		document.getElementById("middle").style.background="url('images/back_menu.jpg')";
	break;

	case "contact":
		document.getElementById("middle").style.background="url('images/back_contact.jpg')";
	break;

	case "spareroom":
	if(subpage=='banquet'){
		document.getElementById("middle").style.background="url('images/back_banquet.jpg')";
	}else{
		document.getElementById("middle").style.background="url('images/back_spareroom.jpg')";
	}
	break;

	}
}

function expandMenu(item){
	if(item=='strykers'){
		document.getElementById('strykers_sub').style.display='block';
		document.getElementById('doCheck').value='strykers';
	}
	if(item=='spareroom'){
		document.getElementById('spareroom_sub').style.display='block';
		document.getElementById('doCheck').value='spareroom';
	}
	if(item=='lanes'){
		document.getElementById('lanes_sub').style.display='block';
		document.getElementById('doCheck').value='lanes';
	}
	if(item=='menu'){
		document.getElementById('menu_sub').style.display='block';
		document.getElementById('doCheck').value='menu';
	}
	if(item=='contact'){
		document.getElementById('contact_sub').style.display='block';
		document.getElementById('doCheck').value='contact';
	}
}

function checkMouse(){

	tempX = document.Show.MouseX.value;
	tempY = document.Show.MouseY.value;

	pt = new YAHOO.util.Point(tempX,tempY);

	regn = new YAHOO.util.Region();

	if(!(document.getElementById('doCheck').value=='no')){
		if(document.getElementById('doCheck').value=='strykers'){
			regn = YAHOO.util.Region.getRegion(document.getElementById('strykers_sub'));
			if(regn.intersect(pt)==null){
				document.getElementById('strykers_sub').style.display='none';
				document.getElementById('lanes_sub').style.display='none';
				document.getElementById('spareroom_sub').style.display='none';
				document.getElementById('contact_sub').style.display='none';
				document.getElementById('doCheck').value='no';
				return true;
			}
		} else if(document.getElementById('doCheck').value=='spareroom'){
			regn = YAHOO.util.Region.getRegion(document.getElementById('spareroom_sub'));
			if(regn.intersect(pt)==null){
				document.getElementById('spareroom_sub').style.display='none';
				document.getElementById('strykers_sub').style.display='none';
				document.getElementById('lanes_sub').style.display='none';
				document.getElementById('menu_sub').style.display='none';
				document.getElementById('contact_sub').style.display='none';
				document.getElementById('doCheck').value='no';
				return true;
			}
		} else if(document.getElementById('doCheck').value=='lanes'){
			regn = YAHOO.util.Region.getRegion(document.getElementById('lanes_sub'));
			if(regn.intersect(pt)==null){
				document.getElementById('lanes_sub').style.display='none';
				document.getElementById('strykers_sub').style.display='none';
				document.getElementById('menu_sub').style.display='none';
				document.getElementById('spareroom_sub').style.display='none';
				document.getElementById('contact_sub').style.display='none';
				document.getElementById('doCheck').value='no';
				return true;
			}
		} else if(document.getElementById('doCheck').value=='menu'){
			regn = YAHOO.util.Region.getRegion(document.getElementById('menu_sub'));
			if(regn.intersect(pt)==null){
				document.getElementById('lanes_sub').style.display='none';
				document.getElementById('menu_sub').style.display='none';
				document.getElementById('strykers_sub').style.display='none';
				document.getElementById('spareroom_sub').style.display='none';
				document.getElementById('contact_sub').style.display='none';
				document.getElementById('doCheck').value='no';
				return true;
			}
		} else if(document.getElementById('doCheck').value=='contact'){
			regn = YAHOO.util.Region.getRegion(document.getElementById('contact_sub'));
			if(regn.intersect(pt)==null){
				document.getElementById('lanes_sub').style.display='none';
				document.getElementById('menu_sub').style.display='none';
				document.getElementById('strykers_sub').style.display='none';
				document.getElementById('spareroom_sub').style.display='none';
				document.getElementById('contact_sub').style.display='none';
				document.getElementById('doCheck').value='no';
				return true;
			}
		}
	}
	return false;
}

// Detect if the browser is IE or not.
// If it is not IE, we assume that the browser is NS.
var IE = document.all?true:false

// If NS -- that is, !IE -- then set up for mouse capture
if (!IE) document.captureEvents(Event.MOUSEMOVE)

// Set-up to use getMouseXY function onMouseMove
document.onmousemove = getMouseXY;

// Temporary variables to hold mouse x-y pos.s
var tempX = 0
var tempY = 0

function getMouseXY(e) {
  if (IE) { // grab the x-y pos.s if browser is IE
    tempX = event.clientX + document.body.scrollLeft
    tempY = event.clientY + document.body.scrollTop
  } else {  // grab the x-y pos.s if browser is NS
    tempX = e.pageX
    tempY = e.pageY
  }  
  // catch possible negative values in NS4
  if (tempX < 0){tempX = 0}
  if (tempY < 0){tempY = 0}  
  // show the position values in the form named Show
  // in the text fields named MouseX and MouseY
  document.Show.MouseX.value = tempX
  document.Show.MouseY.value = tempY
  
  checkMouse();  
  
  return true
}