function hideDIV(ID){
	var GECKO = document.getElementById? 1:0 ;
	var NS = document.layers? 1:0 ;
	var IE = document.all? 1:0 ;

	if (GECKO){
		document.getElementById(ID).style.display=(document.getElementById(ID).style.display=='') ? 'none' : '';
	}else if (NS){
		document.layers[ID].display=(document.layers[ID].display=='') ? 'none' : '';
	}else if (IE){
		document.all[ID].style.display=(document.all[ID].style.display=='') ? 'none' : '';
	}
}

function dPop(link){
	window.open(link,'details','toolbar=1,menubar=1,resizable=1,scrollbars=1,height=480,width=640');
}

function check4SearchButton(){
	if (document.getElementById('strasse').value.length>0 ||
		document.getElementById('ort').value.length>0 ||
		document.getElementById('plz').value.length>0){
		document.getElementById('sButton').disabled=false;
	}else{
		document.getElementById('sButton').disabled=true;
	}
}