// Resizes the text
function resizeText(size_change){
	font_size = 12 + size_change;
	document.getElementById("bodytag").style.fontSize = font_size + "px";
	
	new_small = size_change - 3;
	new_large = size_change + 3;

	document.getElementById("textLarger").onclick = function onclick(event){resizeText(new_large);};
	document.getElementById("textSmaller").onclick = function onclick(event){resizeText(new_small);};

}

// Switches the Active Style Sheets
function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}


// Toggles the display of pictures on and off
function pictureDisplay(toggle) {

	images = document.getElementsByTagName("img");
	if(toggle == 'off') {
		for(i=0; i<images.length; i++) {
			if(images[i].id != "headerPicture" && images[i].className != "colorSwitchImage") {
				images[i].style.display = "none";	
			}
		}	
		document.getElementById("picturesToggle").onclick = function onclick(event){pictureDisplay('on');};
	}else{
		for(i=0; i<images.length; i++) {
			images[i].style.display = "inline";	
		}	
		document.getElementById("picturesToggle").onclick = function onclick(event){pictureDisplay('off');};		
	}
}