// JavaScript Document

var box_texts = {};


function weg(box_id){
	if (box_texts[box_id] == undefined) {
		box_texts[box_id] = document.getElementById(box_id).value;
		document.getElementById(box_id).value='';
	}
	else {
		if (box_texts[box_id] == document.getElementById(box_id).value) {
			document.getElementById(box_id).value='';
		}
	}
}

function hin(box_id){
	if (box_texts[box_id] != undefined) {
		if((document.getElementById(box_id).value == ''))	{
			document.getElementById(box_id).value = box_texts[box_id];
		}
	}
}

function togglezu(id) {
	if (document.getElementById("div_" + id).style.display == 'block') {
		document.getElementById("div_" + id).style.display = "none"; 
    } else {
		document.getElementById("div_" + id).style.display = "block";
    }
}