function checkCookie(c_name) {
	cookieValue=getCookie(c_name);
	if (cookieValue!=null && cookieValue!="") {
		// cookie ist da
		//  alert('Welcome again '+cookieValue+'!');
	} else {
		if (cookieValue!=null && cookieValue!="") {
			cookieValue= 0;
			setCookie(c_name,cookieValue,365);
		}
	}
	return cookieValue;
}

function getCookie(c_name) {
	if (document.cookie.length>0) {
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start!=-1) {
			c_start=c_start + c_name.length+1;
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1) c_end=document.cookie.length;
			return unescape(document.cookie.substring(c_start,c_end));
		}
	}
	return "";
}

function getRequest(url, postData) {
	var xmlHttp = null;
	// Mozilla, Opera, Safari sowie Internet Explorer 7
	if (typeof XMLHttpRequest != 'undefined') {
		xmlHttp = new XMLHttpRequest();
	}
	if (!xmlHttp) {
		// Internet Explorer 6 und älter
		try { xmlHttp  = new ActiveXObject("Msxml2.XMLHTTP");}
		catch(e) {
			try { xmlHttp  = new ActiveXObject("Microsoft.XMLHTTP");}
			catch(e) { xmlHttp  = null; }
		}
	}
	response='';
	if (xmlHttp) {
		xmlHttp.open('POST', url, false);
		xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');
		xmlHttp.send("raw=" + postData);
		return xmlHttp.responseText;
	}
	return response;
}

function setCookie(c_name,value,expiredays) {
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=c_name+ "=" +escape(value)+
	((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}