jQuery(document).ready(function(){ 
  jQuery("ul.topnav li").hover(function(){
    jQuery(this).addClass("hover");
	  jQuery('ul:first',this).css('display', 'block');
  }, function(){
	  jQuery(this).removeClass("hover");
    jQuery('ul:first',this).css('display', 'none');
  });
	jQuery('ul.topnav li ul li:has(ul)').find("a:first").append(" » ");
});

function changeimg(id, img){
  jQuery(id).attr("src", img);
}

/*
 * CUSTOM SELECTBOX
 */
var checkboxHeight = "14";
var radioHeight = "14";
var selectWidth = "100";


/* No need to change anything after this */
document.write('<style type="text/css">input.styled { display: none; } select.styled { position: relative; width: ' + selectWidth + 'px; opacity: 0; filter: alpha(opacity=0); z-index: 5; } .disabled { opacity: 0.5; filter: alpha(opacity=50); }</style>');

var Custom = {
	init: function() {
  
		var inputs = document.getElementsByTagName("input"), span = Array(), textnode, option, active;
		for(a = 0; a < inputs.length; a++) {
     if((inputs[a].type == "checkbox" || inputs[a].type == "radio") && inputs[a].className == "styled") {
				span[a] = document.createElement("span");
				span[a].className = inputs[a].type;
        span[a].innerHTML = inputs[a].value;
        if(inputs[a].checked == true) {
					if(inputs[a].type == "checkbox") {
						position = "0 -" + (checkboxHeight*2) + "px";
						span[a].style.backgroundPosition = position;
          } else {
						position = "0 -" + (radioHeight) + "px";
            span[a].style.backgroundPosition = position;
					}
				}
				inputs[a].parentNode.insertBefore(span[a], inputs[a]);
				//inputs[a].onchange = Custom.clear;
        if(!inputs[a].getAttribute("disabled")) {
					span[a].onmousedown = Custom.pushed;
					span[a].onmouseup = Custom.check;
				} else {
					span[a].className = span[a].className += " disabled";
				}
			}
		}
		inputs = document.getElementsByTagName("select");
    for(a = 0; a < inputs.length; a++) {
			if(inputs[a].className == "styled") {
				option = inputs[a].getElementsByTagName("option");
				active = option[0].childNodes[0].nodeValue;
				textnode = document.createTextNode(active);
        for(b = 0; b < option.length; b++) {
					if(option[b].selected == true) {
						textnode = document.createTextNode(option[b].childNodes[0].nodeValue);
					}
				}
				span[a] = document.createElement("span");
				span[a].className = "select";
				span[a].id = "select" + inputs[a].name;
				span[a].appendChild(textnode);
        inputs[a].parentNode.insertBefore(span[a], inputs[a]);
				if(!inputs[a].getAttribute("disabled")) {
					//DEZE UITGESCHAKELD VOOR LOCATION HREF
          //inputs[a].onchange = Custom.choose;
        } else {
					inputs[a].previousSibling.className = inputs[a].previousSibling.className += " disabled";
        }
			}
		}
		document.onmouseup = Custom.clear;
	},
	pushed: function() {
		element = this.nextSibling;
		if(element.checked == true && element.type == "checkbox") {
			this.style.backgroundPosition = "0 -" + checkboxHeight*3 + "px";
		} else if(element.checked == true && element.type == "radio") {
    	this.style.backgroundPosition = "0 -" + radioHeight*3 + "px";
		} else if(element.checked != true && element.type == "checkbox") {
			this.style.backgroundPosition = "0 -" + checkboxHeight + "px";
		} else {
			this.style.backgroundPosition = "0 -" + radioHeight + "px";
		}
	},
	check: function() {
  	element = this.nextSibling;
    if(element.checked == true && element.type == "checkbox") {
    	this.style.backgroundPosition = "0 0";
			element.checked = false;
		} else {
      if(element.type == "checkbox") {
        this.style.backgroundPosition = "0 -" + checkboxHeight*2 + "px";
      } else {
        this.style.backgroundPosition = "0 -" + radioHeight*2 + "px";
        this.innerHTML = this.nextSibling.value;
				group = this.nextSibling.name;      
				inputs = document.getElementsByTagName("input");
				for(a = 0; a < inputs.length; a++) {
					if(inputs[a].name == group && inputs[a] != this.nextSibling) {
						inputs[a].previousSibling.style.backgroundPosition = "0 0";
					}
				}
			}
			element.checked = true;
		}
	},
	clear: function() {
		inputs = document.getElementsByTagName("input");
		for(var b = 0; b < inputs.length; b++) {
			if(inputs[b].type == "checkbox" && inputs[b].checked == true && inputs[b].className == "styled") {
				inputs[b].previousSibling.style.backgroundPosition = "0 -" + checkboxHeight*2 + "px";
			} else if(inputs[b].type == "checkbox" && inputs[b].className == "styled") {
				inputs[b].previousSibling.style.backgroundPosition = "0 0";
			} else if(inputs[b].type == "radio" && inputs[b].checked == true && inputs[b].className == "styled") {
      	inputs[b].previousSibling.style.backgroundPosition = "0 -" + radioHeight*2 + "px";
			} else if(inputs[b].type == "radio" && inputs[b].className == "styled") {
				inputs[b].previousSibling.style.backgroundPosition = "0 0";
			}
		}
	},
	choose: function() {
		option = this.getElementsByTagName("option");
		for(d = 0; d < option.length; d++) {
			if(option[d].selected == true) {
				document.getElementById("select" + this.name).childNodes[0].nodeValue = option[d].childNodes[0].nodeValue;
			}
		}
	}
}
window.onload = Custom.init;