function popup(url,winName,W,H,X,Y) {
	if(W == undefined) W = 400;	//default width
	if(H == undefined) H = 300; //default height
	if(X == undefined) X = screen.width/2-W/2; //default Xpos (is now centered)
	if(Y == undefined) Y = screen.height/2-H/2; //default Ypos (is now centered)
	X = 10;
	Y = 10;
	winprops = 'height='+H+',width='+W+',top='+X+',left='+Y+',scrollbars=yes, resizable=yes';

	win = window.open(url, winName, winprops);
	if (parseInt(navigator.appVersion) >= 4) {
		win.window.focus();
	}
}

function disclaimer()
{
	popup(stricturl+"disclaimer.php",'disclaimer',500,600,10,10)
}
function $(id)
{
	return document.getElementById(id);	
}

// AJAX basis
function processData(responseText, responseStatus)
 { 
	
	//document.getElementById('loadingbar').style.display ='none';
	if (responseStatus==200) // succes
	{
		if(responseText == 'error')
						alert('Error updating data!'+responseText);
		else
		{
			eval(responseText);
		}
	 }
	else if(responseStatus == 0)
	{
	
	}
	else 
	{ 
	   alert(responseStatus + ' -- Error Processing Request');
	}
  }
function ajaxObject(url) {
	  var that=this;      
	   this.updating = false;
		  this.abort = function() {
				that.AJAX.onreadystatechange = function () {}
			  that.updating=false;
			  that.AJAX.abort();
			  that.AJAX=null;
			
		  }
	  this.update = function(form,postMethod) { 
		if(that.updating) that.abort();
		 that.AJAX = null;                      
		 var passData = getFormValues(form,"validate");
		 
		 
				
		if (window.XMLHttpRequest) {              
		  that.AJAX=new XMLHttpRequest();              
		} else {                                  
		  that.AJAX=new ActiveXObject("Microsoft.XMLHTTP");
		}                                             
		if (that.AJAX==null) {                             
		  return false;                               
		} else {
		
			
			  that.AJAX.onreadystatechange = function() {  
				if (that.AJAX.readyState==4) {             
				  that.updating=false;                
				  that.callback(that.AJAX.responseText,that.AJAX.status);        
				  that.AJAX=null;                                         
				} 
				}
			                                                
		  that.updating = new Date();                              
		  if (/post/i.test(postMethod)) {
			var uri=urlCall+'?'+that.updating.getTime();
			that.AJAX.open("POST", uri, true);
			that.AJAX.setRequestHeader("Content-type", "application/x-www-form-urlencoded; charset=UTF-8");
			that.AJAX.setRequestHeader("Content-Length", passData.length);
			that.AJAX.send(passData);
		  } else {
			var uri=urlCall+'?'+passData+'&timestamp='+(that.updating.getTime()); 
			that.AJAX.open("GET", uri, true);                             
			that.AJAX.send(null);                                         
		  }              
		  return true;                                             
		}                                                                           
	  }
	  var urlCall = url;        
	  this.callback = processData;
	  }
	  
	
	
function getFormValues(fobj,valFunc, url) 			
{ 

   var str = ""; 

   var valueArr = null; 

   var val = ""; 

   var cmd = ""; 

   for(var i = 0;i < fobj.elements.length;i++) 

   { 

	   switch(fobj.elements[i].type) 

	   { 
		case "checkbox":
				var myval = fobj.elements[i].checked;
				if(myval) 
					myval = 1;
				else
					myval = 0;								   
			   str += fobj.elements[i].name + 

				"=" + myval + "&"; 

				   break; 
		  case "textarea":
			 str += fobj.elements[i].name + 

					 "=" + escape(fobj.elements[i].value) + "&"; 
					 break; 
	   
			case "password":
				str += fobj.elements[i].name + 

					 "=" + escape(fobj.elements[i].value) + "&"; 
					  break; 
			case "hidden":
				str += fobj.elements[i].name + 

				 "=" + (fobj.elements[i].value) + "&"; 
				  break; 
		   case "text": 

						
				str += fobj.elements[i].name + 

				 "=" + escape(fobj.elements[i].value) + "&"; 

				 break; 

		   case "select-one": 

				str += fobj.elements[i].name + 

				"=" + fobj.elements[i].options[fobj.elements[i].selectedIndex].value + "&"; 

				break; 

	   } 

   } 
						
			
				 
				 
   str = str.substr(0,(str.length - 1)); 

   return str; 

}


	
// stop AJAX basis

// question support
function submitContact()
{
	$('submitbutton').disabled = true;
	myRequest.update($('contactform'),'POST'); 	
}
function errorform()
{
	$('submitbutton').disabled = false;
	alert("Gelieve het formulier in te vullen.");
}
function successform()
{
	$('submitbutton').disabled = false; $('form_confirm').style.display = "block";
}