function swapImage(fieldName, newImage, winStatus){
	document.images[fieldName].src=eval(newImage + ".src");
	window.status=winStatus;
}

function swapImages() {
	for (var i = 0; i<changeImages.arguments.length; i += 3) {
		swampImage(swampImages.arguments[i], swampImages.arguments[i+1], swampImages.arguments[i+2]);
	}
}

function newImage(arg) {
	var image = new Image();
	image.src = arg;
	return image;
}

function getQueryVariable(variable) { 
	var query = window.location.search.substring(1); 
	var vars = query.split("&"); 
	for (var i=0;i<vars.length;i++) { 
		var pair = vars[i].split("="); 
		if (pair[0] == variable) { 
			return pair[1]; 
		} 
	} 
}

function displayPlayer(panelName, playerName) {
	var panel = null;
	var player = null;
    if (document.layers && document.layers[panelName] != null) {
    	panel = document.layers[panelName];
    }
    else if (document.all) {
    	panel = document.all[panelName];
	}
    
//    var topOffset = getCenterX();
//    var leftOffset = getCenterY();
//    player.style.top = topOffset + 'px';
//    player.style.left = leftOffset + 'px';
	panel = document.getElementById(panelName);
    panel.style.display='inline';
    player = document.getElementById(playerName);
    player.play();
    
}

function hidePlayer(panelName, playerName) {
	var panel = null;
	var player = null;
//    if (document.layers && document.layers[panelName] != null) {
 //   	panel = document.layers[panelName];
  //  }
   // else if (document.all) {
    //	panel = document.all[panelName];
    //}
	panel = document.getElementById(panelName);
    panel.style.display = 'none';
	player = document.getElementById(playerName);
    player.stop();
    
}

function getScrolledX() {
	var scrolledX;
	if( self.pageYOffset ) {
		scrolledX = self.pageXOffset;
	} else if( document.documentElement && document.documentElement.scrollTop ) {
		scrolledX = document.documentElement.scrollLeft;
	} else if( document.body ) {
		scrolledX = document.body.scrollLeft;
	}
	return scrolledX;
}

function getScrolledY() {
	var scrolledY;
	if( self.pageYOffset ) {
	  scrolledY = self.pageYOffset;
	} else if( document.documentElement && document.documentElement.scrollTop ) {
	  scrolledY = document.documentElement.scrollTop;
	} else if( document.body ) {
	  scrolledY = document.body.scrollTop;
	}
	return scrolledY;
}

function getCenterX() {
var centerX;
	if( self.innerHeight ) {
		centerX = self.innerWidth;
	} else if( document.documentElement && document.documentElement.clientHeight ) {
		centerX = document.documentElement.clientWidth;
	} else if( document.body ) {
		centerX = document.body.clientWidth;
	}
	var scrolledX = getScrolledX();
	var trueCenterX = (centerX - scrolledX) / 2;
	return centerX / 2;
}

function getCenterY() {
	var centerY;
	if( self.innerHeight ) {
		centerY = self.innerWidth;
	} else if( document.documentElement && document.documentElement.clientHeight ) {
		centerX = document.documentElement.clientWidth;
	} else if( document.body ) {
		centerY = document.body.clientWidth;
	}
	var scrolledY = getScrolledY();
	var trueCenterY = (centerY - scrolledY) / 2;
	return trueCenterY;
}