function toggle(obj,txt)
	{
		if (obj.value == txt){
			obj.value = ""
		}else{
			if (obj.value == ""){
				obj.value = txt;
			}	
		}
	}
	
function Get_Cookie(name) {
    var start = document.cookie.indexOf(name+"=");
    var len = start+name.length+1;
    if ((!start) && (name != document.cookie.substring(0,name.length))) return null;
    if (start == -1) return null;
    var end = document.cookie.indexOf(";",len);
    if (end == -1) end = document.cookie.length;
    return unescape(document.cookie.substring(len,end));
}
 
function Set_Cookie(name,value,expires,path,domain,secure) {
    document.cookie = name + "=" +escape(value) +
        ( (expires) ? ";expires=" + expires.toGMTString() : "") +
        ( (path) ? ";path=" + path : "") + 
        ( (domain) ? ";domain=" + domain : "") +
        ( (secure) ? ";secure" : "");
}

function validate_form(fieldName) {
   valid = true;

   if ( document.getElementById(fieldName).value == "" ) {
      alert ( "Vul een zoekterm in..." );
      valid = false;
   }
    
   return valid;
}