function modeControl (m) {
	
	if (m != document.forms[0].mode.value) {
	
		var newMode = m;
		var oldMode = document.forms[0].mode.value;

		// Navigation 
		document.getElementById(oldMode + "_nav_off").style.display = "block";
		document.getElementById(oldMode + "_nav_on").style.display = "none";
		document.getElementById(newMode + "_nav_on").style.display = "block";
		document.getElementById(newMode + "_nav_off").style.display = "none";
	
		// Titles 
		document.getElementById(oldMode + "_title").style.display = "none";
		document.getElementById(newMode + "_title").style.display = "block";
		
		// Content 
		document.getElementById(oldMode + "_content").style.display = "none";
		document.getElementById(newMode + "_content").style.display = "block";
		
		// Image
		document.images['photo'].src = "images/" + m + "_frame.jpg";
			
		document.forms[0].mode.value = m;
		
	}
		
}

function reset() {
	document.forms[0].mode.value = "home";
}

function _preloadImages() {
 var imgFiles = _preloadImages.arguments;
 var preloadArray = new Array(imgFiles.length); 
  for (var i=0; i<imgFiles.length; i++)
  {
    preloadArray[i]     = new Image();
    preloadArray[i].src = imgFiles[i];
  }
  
}