var topics = new Array;
topics[0] = '_konzept';
topics[1] = '_partner';
topics[2] = '_zukunftsschule';
topics[3] = '_architektur';
topics[4] = '_knowledge_base';
topics[5] = '_hochtief';

var topic = getTopic(document.location.pathname);


function getTopic(path){
 for(i=0;i<topics.length;i++){
	re = new RegExp('[\\|\/]'+topics[i]+'[\\|\/]');
	if(path.match(re)!=null) return topics[i];
 }
 return '';
}

function getBanner(){
	var number = 3;
	today=new Date();
	jran=today.getTime();
	var random_number="";
	var image="";
	var text_color="";
	ia=9301;
	ic=49297;
	im=233280;
	jran = (jran*ia+ic) % im;
	random_number = Math.ceil( (jran/(im*1.0)) *number);
//	banner='<div class="banner" style="background:url('+topic+'/banner/banner0'+random_number+'.jpg)"></div>';
	banner='<div class="banner" style="background:url('+basedir+'/'+topic+'/banner/banner0'+random_number+'.jpg)"></div>';	return banner;
	return banner;
}