// AJAX pro
// -------------------------------------------------------------------------------------------------------------
function pro_on(id) {
		document.getElementById("div_but_"+id).className = "pro_line_on";
}
function pro_off(id) {
		document.getElementById("div_but_"+id).className = "pro_line_off";
}
// -------------------------------------------------------------------------------------------------------------
function pro_show(id) {
	
	var pokaz = document.getElementById("div_"+id);
	
	var loader = '<div style="padding: 10px 10px 50px; text-align: center;">';
	loader += '<img src="lsc_ajax/ajax_loader.gif" />';
	loader += '</div>';
	
	pokaz.innerHTML = loader;
	
  var xml = null;
  if (window.XMLHttpRequest) xml = new XMLHttpRequest();
  else if (window.ActiveXObject) xml = new ActiveXObject("Microsoft.XMLHTTP");
 
	if (xml) {
		xml.onreadystatechange = function() {
			if (xml.readyState==4) {
				pokaz.innerHTML = xml.responseText;
			}
		}
		var los = new Date().getTime();
		xml.open("GET", "lsc_ajax/ajax_pro.php?pro_id="+id+"&los="+los, true);
		xml.send(null);
	}
	
	return false;
}
// -------------------------------------------------------------------------------------------------------------
function check_length(f, x) {
  if (f.value.length>x-1) {
    alert("Max. "+x+" Zeichen!");
    f.value = f.value.substr(0,x)
    // f.disabled=true;
  }
}