function clearBox(box) {
	if(box.value==box.defaultValue) {
		box.value = "";
	}
}

function blurAnchors(){
	if(document.getElementsByTagName){
		var a = document.getElementsByTagName("a");
		for(var i = 0; i < a.length; i++){
			a[i].onfocus = function(){this.blur()};
	    }
	  }
	}
window.onload = blurAnchors;

function changeImage(src, alt) {
	var foto = $('projectfoto-groot');
	foto.src = src;
	foto.alt = alt;
	foto.title = alt;
}