function findbutton(wert){

	var nothing="none";

	if(window.location.search != ""){

		string=window.location.search;

		cut_1=string.split("&");

		anzahl=cut_1.length;



		for(i=0;i<anzahl;i++){

			cut_2=cut_1[i].split("=");

			cut_2[0]=cut_2[0].replace('?','');

			if(cut_2[0]==wert){return cut_2[1];}

		}

	}

	return nothing;

} 

//--------------------------------------------------

//IS DOM

function doDOMstuff(){

 if(document.getElementById && document.createTextNode) { return true; }

 else{ return false;}

}

//--------------------------------------------------

//ONLOAD

window.onload=function(){

 	//

	if(doDOMstuff()){

		btm = findbutton("btm");

		bts = findbutton("bts");

		btss = findbutton("btss");

		//MAIN

		if(document.getElementById(btm)){

			document.getElementById(btm).className = "menuaktiv";

		}

		//---------------

		//SUB

		if(document.getElementById(bts)){

			document.getElementById(bts).className = "submenuaktiv";

		}

		//---------------

		//SUBSUB

		if(document.getElementById(btss)){

			document.getElementById(btss).className = "subsubmenuaktiv";

		}

	}

}