// generelle JS-Functions

// QueryString auslesen
function QueryString(was)
{
 if (was=="") return "";
 was=was.toLowerCase();
 wo=self.location.href;
 url=wo;
 vglurl=wo;
 vglurl=vglurl.toLowerCase();
 pos=vglurl.indexOf(was + "=");
 if (pos<=0) return "";
 neu="";
 for (i=pos+was.length+1; i<=url.length; i++)
 {
  if (url.substr(i,1)=="&") break;
  neu+=url.substr(i,1);
 };
 return(neu);
};

function Trim(inputString) 
{
 // führende und nachlaufende Leerzeichen entfernen
 // doppelte Leerzeichen werden durch ein Leerzeichen ersetzt
 // wird kein String geliefert, so wird das Objekt zurückgegeben
 if (typeof inputString != "string") { return inputString; }
 var retValue = inputString;
 var ch = retValue.substring(0, 1);
 while (ch == " ") { // Anfang des Strings prüfen
    retValue = retValue.substring(1, retValue.length);
    ch = retValue.substring(0, 1);
 }
 ch = retValue.substring(retValue.length-1, retValue.length);
 while (ch == " ") { // Ende des Strings prüfen
    retValue = retValue.substring(0, retValue.length-1);
    ch = retValue.substring(retValue.length-1, retValue.length);
 }
 while (retValue.indexOf("  ") != -1) { // 2 Leerzeichen im String?
    retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length);
 }
 return retValue; // String zurückliefern
} 

// aktuelles Projekt per Objekt_ID aufrufen
function AktProjektAufrufen(Objekt_ID)
{
 theID="akt_proj_objektdetails";
 L=QueryString("L");
 F=QueryString("F");
 K=QueryString("K");
 theURL="index.php?objekt_id="+Objekt_ID+"&id="+ theID + "&L=" + L + "&F=" + F + "&K=" + K;
 self.location.href=theURL; 
};

// Referenz-Projekt per Objekt_ID aufrufen
function RefProjektAufrufen(Objekt_ID)
{
 theID="ref_proj_objektdetails";
 L=QueryString("L");
 F=QueryString("F");
 K=QueryString("K");
 theURL="index.php?objekt_id="+Objekt_ID+"&id="+ theID + "&L=" + L + "&F=" + F + "&K=" + K;
 self.location.href=theURL; 
};

// Script zum Aufruf der NL-Anmeldung auf der Homeseite
function Newsletter_Anmeldung()
{
 //target_host="http://preview.mainware.de/ofb/";
 target_host="";
 //target="_blank";
 target="";
 L=QueryString("L");
 F=QueryString("F");
 K=QueryString("K");
 nl_email=Trim(document.nl_form.nl_email.value);
 if (nl_email!="")
 {
   theURL=target_host + "index.php?id=nl_subscribe&email=" + escape(nl_email) + "&L=" + L + "&F=" + F + "&K=" + K;
   if (target=="_blank") 
   {
    window.open(theURL,target,"")
   }
   else
   {
    self.location.href=theURL; 
   };
  };
};

// Seite per ID aufrufen
function goToID(theID)
{
 L=QueryString("L");
 F=QueryString("F");
 K=QueryString("K");
 theURL="index.php?id="+ theID + "&L=" + L + "&F=" + F + "&K=" + K;
 self.location.href=theURL; 
};

// MACROMEDIA-DREAMWEAVER-Funktionen
function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// Cookies
function Set_Cookie( name, value, expires, path, domain, secure )
{
// set time, it's in milliseconds
var today = new Date();
today.setTime( today.getTime() );

/*
expires in hours 
*/
if ( expires )
{
expires = expires * 1000 * 60 * 60;
}
var expires_date = new Date( today.getTime() + (expires) );

document.cookie = name + "=" +escape( value ) +
( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) +
( ( path ) ? ";path=" + path : "" ) +
( ( domain ) ? ";domain=" + domain : "" ) +
( ( secure ) ? ";secure" : "" );
}

function Get_Cookie( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f

	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );


		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found )
	{
		return null;
	}
}


