function soegval(fld, url) {

      var field = document.getElementById(fld);
      if(field.value == "") { alert("Du mangler at indtaste et søgeord.   \nForsøg venligst igen.     "); return true; }
      else {

      document.location.href = url+"?page=1&search="+encodeURIComponent(field.value);
      }
}


      function clickButtonViaEnter(btn, event){
	if (document.all){
		if (event.keyCode == 13){
			event.returnValue=false;
			event.cancel = true;
			//btn.click();			
			soegval('txtSearch', '/Service/Search.aspx');
		}
	}
	else if (document.getElementById){
		if (event.which == 13){
			event.returnValue=false;
			event.cancel = true;
			//btn.click();			
			soegval('txtSearch', '/Service/Search.aspx');
		}
	}
	else if(document.layers){
		if(event.which == 13){
			event.returnValue=false;
			event.cancel = true;
			//btn.click();
			soegval('txtSearch', '/Service/Search.aspx');
		}
	}
}