function checkContactForm(){
	var objNaam 	= document.getElementById("txtNaam");
	var objEmail	= document.getElementById("txtEmail");
	var error 		= 0;
	var prefix 		= "U dient de volgende items nog correct in te voeren:"+"\r\n\r\n";
	var message 	= '';
	var rw 			= (objEmail.value.replace(/^[\w-]+(?:\.[\w-]+)*@(?:[\w-]+\.)+[a-zA-Z]{2,7}$/, "x")=="x") ? true : false;
	var focusSet 	= 0;
	
	if(objNaam.value.length < 2){
		objNaam.style.backgroundColor='#FBCDE8';
		error++;
		message += "- Naam"+"\r\n";
		if(focusSet==0){
			objNaam.focus();
			focusSet 	= 1;
		}
	}	
	
	if(rw){
	} else {
		objEmail.style.backgroundColor='#FBCDE8';
		error++;
		message += "- emailadres"+"\r\n";
		if(focusSet==0){
			objEmail.focus();
			focusSet = 1 ;
		}
	}
	
	if(error==0){
		document.getElementById("contact_form").submit();
	} else {
		alert(prefix+message);	
	}
}

function newtoggleCss(varBig){

	// chk global
	if(undefined !== window.curVarBig){
		varBig = (window.curVarBig>0)?0:1;
	}
	
	// set global
	window.curVarBig = varBig;
	
	
	var afbeelding 	= document.getElementById("letters");
	var stylesheet 	= document.getElementById("stylesheet");

	var rq = new Request({url: 'setSize.ajax.php'}).send({data:{'big':varBig}});

	if(afbeelding.src.indexOf('images/imgGroteletters.jpg') > 0 ){ 		
		afbeelding.src = "images/imgKleineletters.jpg";
		stylesheet.href= "include/big.css";
	} else {
		afbeelding.src = "images/imgGroteletters.jpg";
		stylesheet.href= "include/styles.css";
	}	
}

function ajaxResponse(){
	return;	
}



function strstr (haystack, needle, bool) {
    var pos = 0;
     
    haystack += '';
    pos = haystack.indexOf( needle );
    if (pos == -1) {
        return false;
    } else{
        if (bool){
            return haystack.substr( 0, pos );
        } else{
            return haystack.slice( pos );
        }
    }
}

function setOCLocation(o,v){
	o.style.cursor = 'pointer';
	o.onclick=function(){
		document.location = v;
	};
}

window.onload = function(){
	
	// controleer of de pagina de home pagina is
	if(false !== strstr(document.location,'info/1/')){
		
		// haal alle a's op onder de content tbl
		if(document.getElementsByTagName){
			var content = document.getElementById('content');
			
			
			if(null !== content){
				var arrA = content.getElementsByTagName('a');
				
				if('object' == typeof(arrA)){
					
					for(var i=0; i<arrA.length; i++){
						
						var tmpA = arrA[i];
						var tmpParent = $(tmpA).getParent('td');
						
						if(null !== tmpParent && false !== tmpParent){
							setOCLocation(tmpParent,$(tmpA).href)
						}
					}
				}
			}
		}
	}
};