function bilda() {
	var num=Math.floor(Math.random()*10)+1;
	document.writeln("<img src='/fileadmin/ferientour/header/bild_a_"+num+".jpg' width='160' height='160'>");
	}

function bildb() {
	var num=Math.floor(Math.random()*10)+1;
	document.writeln("<img src='/fileadmin/ferientour/header/bild_b_"+num+".jpg' width='106' height='106'>");
	}

function bildc() {
	var num=Math.floor(Math.random()*10)+1;
	document.writeln("<img src='/fileadmin/ferientour/header/bild_c_"+num+".jpg' width='175' height='140'>");
	}

function bildd() {
	var num=Math.floor(Math.random()*10)+1;
	document.writeln("<img src='/fileadmin/ferientour/header/bild_d_"+num+".jpg' width='128' height='128'>");
	}

function bilde() {
	var num=Math.floor(Math.random()*10)+1;
	document.writeln("<img src='/fileadmin/ferientour/header/bild_e_"+num+".jpg' width='155' height='120'>");
	}