var http_request = false;
var http_request_menu = false;
var http_request_body = false;
var http_request_slider = false;
var movetointerval = null;
var http_request_pagedetail = false;
var sliderhasmoved = false;

function makeRequest(url, parameters) {
  http_request = false;
  if (window.XMLHttpRequest) { // Mozilla, Safari,...
     http_request = new XMLHttpRequest();
     if (http_request.overrideMimeType) {
     	// set type accordingly to anticipated content type
        //http_request.overrideMimeType('text/xml');
        http_request.overrideMimeType('text/html');
     }
  } else if (window.ActiveXObject) { // IE
     try {
        http_request = new ActiveXObject("Msxml2.XMLHTTP");
     } catch (e) {
        try {
           http_request = new ActiveXObject("Microsoft.XMLHTTP");
        } catch (e) {}
     }
  }
  if (!http_request) {
     alert('Cannot create XMLHTTP instance');
     return false;
  }
  
  http_request.open("POST", url, true);

  //Send the proper header information along with the request
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
  
  http_request.onreadystatechange = alertContents;
  http_request.send(parameters);
}

function alertContents() {
  if (http_request.readyState == 4) {
     if (http_request.status == 200) {
        //alert(http_request.responseText);
        result = http_request.responseText;
     } else {
        alert('There was a problem with the request.');
     }
  }
}

function getContent(){ 
  document.getElementById("detail_activeprj").innerHTML = "";
	if (window.XMLHttpRequest) {
		http_request = new XMLHttpRequest();
	 	if (http_request.overrideMimeType) {
			http_request.overrideMimeType('text/xml');
		}
 	 } else if (window.ActiveXObject){
      	http_request = new ActiveXObject("Microsoft.XMLHTTP");
  	} else {
      return;
  	}
  
  var theproject = document.getElementById("project").value;
  var project = escape(document.getElementById("prj_titel_"+theproject).innerHTML);
  var section = document.getElementById("section").value;
    
  var uri="./objects/detail.php?activeproject="+project+"&section="+section;

  http_request.onreadystatechange = setContentAjax;
  http_request.open ('GET', uri, true);
  http_request.send (null);
  }

function setContentAjax() {
	if (http_request.readyState == 4){
    if(document.getElementById("detail_activeprj")){
  		var loc = document.getElementById("detail_activeprj");
  		if (http_request.status == 200){
  			var newData = http_request.responseText;
  			loc.innerHTML=newData; 
        evalScripts( newData );     
       }
      else{
  	 	  loc.innerHTML="<h2><span tabindex=\"0\" onfocus=\"this.style.border='1px solid blue';\" onblur=\"this.style.border='none';\" class=\"axs description\">No Content</span></h2>";
  	  }
    }
	}
}

/** AJAX FOR THE MENU **/
function getContentMenu(menuitem){ 
	if (window.XMLHttpRequest) {
		http_request_menu = new XMLHttpRequest();
	 	if (http_request_menu.overrideMimeType) {
			http_request_menu.overrideMimeType('text/xml');
		}
 	 } else if (window.ActiveXObject){
      	http_request_menu = new ActiveXObject("Microsoft.XMLHTTP");
  	} else {
      return;
  	}
  if(menuitem == ""){
    menuitem = "home";
    }
  var uri="./objects/menu.php?menuitem="+menuitem;

  http_request_menu.onreadystatechange = function() { setContentMenu(menuitem); };
  http_request_menu.open ('GET', uri, true);
  http_request_menu.send (null);
  }
function setContentMenu(menuitem) {
	if (http_request_menu.readyState == 4){
    if(document.getElementById("nav")){
  		var loc = document.getElementById("nav");
  		if (http_request_menu.status == 200){
  			var newData = http_request_menu.responseText;
  			loc.innerHTML=newData;  
        DefineMenu(menuitem);
       }
      else{
  	 	  loc.innerHTML="<h2><span tabindex=\"0\" onfocus=\"this.style.border='1px solid blue';\" onblur=\"this.style.border='none';\" class=\"axs description\">No Content</span></h2>";
  	  }
    }
	}
}
//define menu
function DefineMenu(menuitem){
  $(document).ready(function() {
      //$k == $menuitem ? $pos = "0px 0px" : $pos = "0px -19px";
      var menuarray = new Array("home", "inprogress", "vario-us", "contact-us");
      for(var m=0;m<menuarray.length;m++){
        if(menuarray[m] == menuitem){
          $('#mnu_'+menuarray[m]).css({backgroundPosition: '0px 0px'});   
          }
        else{
          $('#mnu_'+menuarray[m]).css({backgroundPosition: '0px -19px'}); 
          }
        }
      //Animate the shutter  
      $(".thetext").hover(function(){
           $(this).animate({backgroundPosition: '(0px 0px)'}, 350 );
         }, function() {
           $(this).animate({backgroundPosition: '(0px -19px)'}, 350 );
      }); 
    });
  }
/** AJAX FOR THE BodyText **/
function getContentBody(menuitem){ 
	if (window.XMLHttpRequest) {
		http_request_body = new XMLHttpRequest();
	 	if (http_request_body.overrideMimeType) {
			http_request_body.overrideMimeType('text/xml');
		}
 	 } else if (window.ActiveXObject){
      	http_request_body = new ActiveXObject("Microsoft.XMLHTTP");
  	} else {
      return;
  	}
  if(menuitem == ""){
    menuitem = "home";
    }
  var uri="./objects/bodytext.php?menuitem="+menuitem;

  http_request_body.onreadystatechange = setContentBody;
  http_request_body.open ('GET', uri, true);
  http_request_body.send (null);
  }
function setContentBody() {
	if (http_request_body.readyState == 4){
    if(document.getElementById("content_activemnu")){
  		var loc = document.getElementById("content_activemnu");
  		if (http_request_body.status == 200){
  			var newData = http_request_body.responseText;
  			loc.innerHTML=newData;  
        evalScripts( newData );    
       }
      else{
  	 	  loc.innerHTML="<h2><span tabindex=\"0\" onfocus=\"this.style.border='1px solid blue';\" onblur=\"this.style.border='none';\" class=\"axs description\">No Content</span></h2>";
  	  }
    }
	}
}

/** AJAX FOR THE Slider **/
function getContentSlider(menuitem){ 
	if (window.XMLHttpRequest) {
		http_request_slider = new XMLHttpRequest();
	 	if (http_request_slider.overrideMimeType) {
			http_request_slider.overrideMimeType('text/xml');
		}
 	 } else if (window.ActiveXObject){
      	http_request_slider = new ActiveXObject("Microsoft.XMLHTTP");
  	} else {
      return;
  	}
  if(menuitem == ""){
    menuitem = "home";
    }
  var uri="./objects/slider.php?menuitem="+menuitem;

  http_request_slider.onreadystatechange = setContentSlider;
  http_request_slider.open ('GET', uri, true);
  http_request_slider.send (null);
  }
function setContentSlider() {
	if (http_request_slider.readyState == 4){
    if(document.getElementById("pane1")){
  		var loc = document.getElementById("pane1");
  		if (http_request_slider.status == 200){
  			var newData = http_request_slider.responseText;
  			loc.innerHTML=newData;  
        evalScripts( newData );
        document.getElementById("leftfilter").style.borderRight = "2px solid white";
        document.getElementById("rightfilter").style.borderLeft = "2px solid white";
       }
      else{
  	 	  loc.innerHTML="<h2><span tabindex=\"0\" onfocus=\"this.style.border='1px solid blue';\" onblur=\"this.style.border='none';\" class=\"axs description\">No Content</span></h2>";
  	  }
    }
	}
}

/** AJAX FOR THE PageDetail **/
function getContentPageDetail(menuitem){ 
	if (window.XMLHttpRequest) {
		http_request_pagedetail = new XMLHttpRequest();
	 	if (http_request_pagedetail.overrideMimeType) {
			http_request_pagedetail.overrideMimeType('text/xml');
		}
 	 } else if (window.ActiveXObject){
      	http_request_pagedetail = new ActiveXObject("Microsoft.XMLHTTP");
  	} else {
      return;
  	}
  if(menuitem == ""){
    menuitem = "home";
    }
  var uri="./objects/pagedetail.php?menuitem="+menuitem;

  http_request_pagedetail.onreadystatechange = setContentPageDetail;
  http_request_pagedetail.open ('GET', uri, true);
  http_request_pagedetail.send (null);
  }
function setContentPageDetail() {
	if (http_request_pagedetail.readyState == 4){
    if(document.getElementById("content_activeprj")){
  		var loc = document.getElementById("content_activeprj");
  		if (http_request_pagedetail.status == 200){
  			var newData = http_request_pagedetail.responseText;
        loc.innerHTML=newData;
        evalScripts( newData );        
       }
      else{
  	 	  loc.innerHTML="<h2><span tabindex=\"0\" onfocus=\"this.style.border='1px solid blue';\" onblur=\"this.style.border='none';\" class=\"axs description\">No Content</span></h2>";
  	  }
    }
	}
}

function evalScripts(scripts)
{	try
	{	if(scripts != '')	
		{	var script = "";
			scripts = scripts.replace(/<script[^>]*>([\s\S]*?)<\/script>/gi, function(){
	       	                         if (scripts !== null) script += arguments[1] + '\n';
 	        	                        return '';});
			if(script) (window.execScript) ? window.execScript(script) : window.setTimeout(script, 0);
		}
		return false;
	}
	catch(e)
	{	alert(e)
	}
}

function GetPageContent(menuitem, nrprojects, section){
  HideDetail();
  document.getElementById("pane1").style.left = "0px";  
  GoToSlide(2);
   
  if(menuitem == "contact-us" || document.getElementById("activemenu").value == "contact-us"){
    document.getElementById("content").style.backgroundImage = "url('assets/bgcontentcontact.png')";
    document.getElementById("fadeimg").style.display = "none";
    document.getElementById("leftfilter").style.display = "none";
    document.getElementById("rightfilter").style.display = "none";    
    }
  else{
    document.getElementById("content").style.backgroundImage = "url('assets/bgcontent.png')";    
    if(sliderhasmoved == false){
      document.getElementById("fadeimg").style.display = "block";  
      }
    document.getElementById("leftfilter").style.display = "block";
    document.getElementById("rightfilter").style.display = "block";
    }  
  //get content
  document.getElementById("slidingcontent").innerHTML = "<img src='assets/load-balk.png' />";
  document.getElementById("content_activemnu").innerHTML = "";
  document.getElementById("leftfilter").style.borderRight = "0px";
  document.getElementById("rightfilter").style.borderLeft = "0px";
  //fixed  
  document.getElementById("sliderpos").value = 0;
  document.getElementById("project").value = 2;
  document.getElementById("activepage").value = 0;
  //dynamic
  document.getElementById("nrprojects").value = nrprojects;
  document.getElementById("section").value = section;   

  //calc width
  var width = (parseInt(nrprojects)+3) * 223;
  document.getElementById("slidingcontent").style.width = width + "px";  
    
  getContentBody(menuitem);
  getContentMenu(menuitem); 
  movetointerval = setInterval("SetSliderInhoud('"+menuitem+"')", 1000);
  }

function SetSliderInhoud(menuitem){
  if(document.getElementById("pane1").style.left == "0px"){
    
    getContentSlider(menuitem);
    $('#pane1').jScrollHorizontalPane({showArrows:true});
    
    getContentPageDetail(menuitem);
    $('.scroll-to-next').bind('click',function(){
      HideDetail();        
      NextSlide();         
    	return false;
  	});  
    $('.scroll-to-prev').bind('click',function(){
      HideDetail();
      PrevSlide();
  		return false;
  	});
  
    CreateFilterContent(2);  
    clearInterval(movetointerval);
    //CheckScrollBy();
    }
  }
  
function get(obj) {
  var getstr = "?post=true&";
  
  //for (i=0; i<obj.childNodes.length; i++) {
  for (i=0; i<obj.elements.length; i++) {
      
    if (obj.elements[i].tagName == "INPUT") {     
     
        if (obj.elements[i].type == "text") {
           getstr += encodeURIComponent(obj.elements[i].name) + "=" + encodeURIComponent(obj.elements[i].value) + "&";
        }
        if (obj.elements[i].type == "hidden") {
           getstr += encodeURIComponent(obj.elements[i].name) + "=" + encodeURIComponent(obj.elements[i].value) + "&";
        }
        if (obj.elements[i].type == "checkbox") {
           if (obj.elements[i].checked) {
              getstr += obj.elements[i].name + "=" + encodeURIComponent(obj.elements[i].value) + "&";
              
           } else {
              getstr += obj.elements[i].name + "=&";
           }
        }
        if (obj.elements[i].type == "radio") {
           if (obj.elements[i].checked) {
              getstr += encodeURIComponent(obj.elements[i].name) + "=" + encodeURIComponent(obj.elements[i].value) + "&";
           }
        }
     }   
     if (obj.elements[i].tagName == "SELECT") {
        var sel = obj.elements[i];
        
        getstr += encodeURIComponent(sel.name) + "=" ;
        if(sel.value != "")
          getstr += encodeURIComponent(sel.options[sel.selectedIndex].value);
        getstr += "&";
     }
     if (obj.elements[i].tagName == "TEXTAREA") {
        var sel = obj.elements[i];
        getstr += encodeURIComponent(sel.name) + "=" + encodeURIComponent(sel.value) + "&";
     }
  }
  makeRequestPost('./objects/bodytext.php', getstr);
}

function makeRequestPost(url, parameters) {
  http_request = false;
  if (window.XMLHttpRequest) { // Mozilla, Safari,...
     http_request = new XMLHttpRequest();
     if (http_request.overrideMimeType) {
     	// set type accordingly to anticipated content type
        //http_request.overrideMimeType('text/xml');
        http_request.overrideMimeType('text/html');
     }
  } else if (window.ActiveXObject) { // IE
     try {
        http_request = new ActiveXObject("Msxml2.XMLHTTP");
     } catch (e) {
        try {
           http_request = new ActiveXObject("Microsoft.XMLHTTP");
        } catch (e) {}
     }
  }
  if (!http_request) {
     alert('Cannot create XMLHTTP instance');
     return false;
  }
  
  http_request.open("POST", url, true);

  //Send the proper header information along with the request
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
  
  http_request.onreadystatechange = alertContentsPost;
  http_request.send(parameters);
}

function alertContentsPost() {
  if (http_request.readyState == 4) {
     if (http_request.status == 200) {
        //alert(http_request.responseText);
        result = http_request.responseText;
        document.getElementById('content_activemnu').innerHTML = result; 
        evalScripts(result);           
     } else {
        alert('There was a problem with the request.');
     }
  }
}