/*
Standards Compliant Rollover Script
Author : Daniel Nolan
http://www.bleedingego.co.uk/webdev.php
	
Add the attribute class="imgover" to any image in your document that requires a mouseover effect to be trigger
Hover image is named exactly the same as the original image plus _on at the end of name
*/

function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
	
		//there may be multiple class assignments
		//separates the img class into an array
		classes = aImages[i].className.split(" ");
				
		//checks if img has a class of menu
		//if so, set up rollover
		if ( inArray('imgover', classes) ) {

			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_on'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_on'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

function inArray( value, array ) {
//passed a value and an array, this function returns true
//if the value is contained with in the array,
//false if it is not
	for ( var i = 0; i < array.length; i++ )
		if ( array[i] == value )
			return true;
	return false;
} 




$(document).ready(function(){

//http://www.shopdev.co.uk/blog/text-resizing-with-jquery/
  // Reset Font Size
  var originalFontSize = $('html').css('font-size');
    $(".resetFont").click(function(){
    $('html').css('font-size', originalFontSize);
  });
  // Increase Font Size
  $(".increaseFont").click(function(){
    var currentFontSize = $('html').css('font-size');
    var currentFontSizeNum = parseFloat(currentFontSize, 10);
    var newFontSize = currentFontSizeNum*1.2;
    	if ( newFontSize < 30 ) {
	//$('html').css('font-size', newFontSize);
	$("html").css({fontSize : newFontSize});
	}

    return false;
  });
  // Decrease Font Size
  $(".decreaseFont").click(function(){
    var currentFontSize = $('html').css('font-size');
    var currentFontSizeNum = parseFloat(currentFontSize, 10);
    var newFontSize = currentFontSizeNum*0.8;
    	if ( newFontSize > 8 ) {
	//$('html').css('font-size', newFontSize);
	$("html").css({fontSize : newFontSize});
	}
    return false;
  });

    // modal pop-over window
    var triggers = $(".modalInput").overlay({
	mask: {
	    color: '#5f5956',
	    loadSpeed: 400,
	    opacity: 0.90
	},
	    closeOnClick: false,
	    onLoad: function(event) {
	    $('#members_login_window #username').focus();
	}
    });


    // Image Rollovers
    initRollovers();

    //ipad and iphone fix
    if((navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i)) || (navigator.userAgent.match(/iPad/i))) {
        $("#main_navigation li a").click(function(){});}

});