var PNGimageArray = new Array();
var isPrinting = false;

var blankSrc = "/images/spacer.gif";

var browser = new Browser();

if (browser.isIE) {
	window.attachEvent("onbeforeprint", function () { beforePrint(); } );
	window.attachEvent("onafterprint", function () { afterPrint(); } );
}
if (browser.isNS) {
	window.addEventListener("onbeforeprint", function () { beforePrint(); }, true );
	window.addEventListener("onafterprint", function () { afterPrint(); }, true);
}

function adjustNavi(){

	var obj1 = document.getElementById('naviID');
	var obj2 = document.getElementById('contentID');
	var naviObj = document.getElementById('naviIDR');
	var newHeight = obj1.offsetHeight - 243;
	
	var naviHeight = obj2.offsetHeight - 24;

	if(newHeight > obj2.offsetHeight){
		obj2.style.height = newHeight + 'px';
	}else{
		naviObj.style.height = naviHeight + 'px';
	}

}

function Browser() {
	var ua, s, i;
	this.isIE    = false;
	this.isNS    = false;
	this.version = null;

	ua = navigator.userAgent;

	s = "MSIE";
	if ((i = ua.indexOf(s)) >= 0) {
		this.isIE = true;
		this.version = parseFloat(ua.substr(i + s.length));
		return;
	}

	s = "Netscape6/";
	if ((i = ua.indexOf(s)) >= 0) {
		this.isNS = true;
		this.version = parseFloat(ua.substr(i + s.length));
		return;
	}

	s = "Gecko";
	if ((i = ua.indexOf(s)) >= 0) {
		this.isNS = true;
		this.version = 6.1;
		return;
	}
}

function addPngImage(element){
	if (/\.png$/i.test(element.src)) {
		fixImage(element);
		element.attachEvent("onpropertychange", function (){ propertyChanged(); } );
		PNGimageArray[PNGimageArray.length] = element;
	}
}
function fixImage(element) {
	element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + element.src + "')";
	element.src = blankSrc;
}

function propertyChanged() {
	if (isPrinting) return;
	var element = event.srcElement;
	var pName = event.propertyName;
	if (pName != "src") return;
	if (!new RegExp(blankSrc).test(element.src))
	fixImage(element);
}

function beforePrint() {
	isPrinting = true;
	var element;
	for(var i = 0; i < PNGimageArray.length; i++){
		element = PNGimageArray[i];
		element.src = element.filters[0].src;
		element.runtimeStyle.filter = "";
	}
}

function afterPrint() {
	isPrinting = false;
	var element;
	for(var i = 0; i < PNGimageArray.length; i++){
		element = PNGimageArray[i];
		fixImage(element);
	}
}
/*---this code is added by Guddu kumar---*/
function captcha_refresh() {
  e=document.getElementById("captcha_img");
  dv=new Date();
  e.src="/captcha-image.php?dummy=" + dv.getTime();
  return false;
}

function load_handler()  { captcha_refresh(); }
function unload_handler()  { } 
function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}
function checkCode(fieldVal){
	if(fieldVal.toUpperCase() == readCookie('captcha_string')){
		return true;
	}
	return false;
}

function CheckFields(ObjFrm){
		
//	var err = ""
// 	if (booking.fstname.value == ""){               				    
// 		err +='Vorname' + '\n'	                		            			
// 	}
// 	if (booking.lstname.value == ""){               				    
// 		err +='Nachname' + '\n'	                		            			
// 	}
// 	if (booking.email.value == ""){               				    
// 		err +='E-Mail'+ '\n'	                		            			
// 	}
// 	if(err != ""){
// 		alert('Folgende Felder fehlen oder wurden nicht korrekt eingegeben' +'\n'+ err)
// 		return false;
// 	} else {
// 		val = emailcheck(booking.email);
// 		if (val==true) {
// 			document.booking.getElementById('xhide').value=1;
// 			return true;
// 		}else{
// 			return false;
// 		}				
// 	}
}
function emailcheck(vfld) {            
	var tfld = vfld.value                   	         	
	var email = /^[^@]+@[^@.]+\.[^@]*\w\w$/
	if (!email.test(tfld)) {
		alert('invalid e-mail address');
		return false
	}
	return true;
}