// random background
function background(){
	var nrs = 21;

	weergave = new Array(nrs);
	for (i=1 ; i<=nrs ; i++) {
		weergave[i-1] = 'http://www.legrandcrew.com/site-design/backgrounds/'+i+'.gif';
	}
	index = Math.floor(Math.random() * nrs);
	document.body.background = weergave[index];
}

// random background
function backgroundUC(){
	var nrs = 7;

	weergave = new Array(nrs);
	for (i=1 ; i<=nrs ; i++) {
		weergave[i-1] = 'http://www.legrandcrew.com/site-design/UC_expo/backgrounds/'+i+'.gif';
	}
	index = Math.floor(Math.random() * nrs);
	document.body.background = weergave[index];
}


// random image function

function logo(){
	var nrs = 4;

	weergave = new Array(nrs);
	for (i=1 ; i<=nrs ; i++) {
		weergave[i-1] = 'http://www.legrandcrew.com/site-design/logos/'+i+'.png';
	}
	index = Math.floor(Math.random() * nrs);
	document.write('<img src="'+ weergave[index]+'" border="0">');
	
}



// content small tops

function content_small_top(){
	var nrs = 7;

	weergave = new Array(nrs);
	for (i=1 ; i<=nrs ; i++) {
		weergave[i-1] = 'http://www.legrandcrew.com/site-design/content-small-tops/'+i+'.png';
	}
	index = Math.floor(Math.random() * nrs);
	document.write('<img src="'+ weergave[index]+'" border="0">');
	
}


// content small bottoms

function content_small_bottom(){
	var nrs = 7;

	weergave = new Array(nrs);
	for (i=1 ; i<=nrs ; i++) {
		weergave[i-1] = 'http://www.legrandcrew.com/site-design/content-small-bottoms/'+i+'.png';
	}
	index = Math.floor(Math.random() * nrs);
	document.write('<img src="'+ weergave[index]+'" border="0">');
	
}


// content big tops

function content_big_top(){
	var nrs = 7;

	weergave = new Array(nrs);
	for (i=1 ; i<=nrs ; i++) {
		weergave[i-1] = 'http://www.legrandcrew.com/site-design/content-big-tops/'+i+'.png';
	}
	index = Math.floor(Math.random() * nrs);
	document.write('<img src="'+ weergave[index]+'" border="0">');
	
}


// content big bottoms

function content_big_bottom(){
	var nrs = 7;

	weergave = new Array(nrs);
	for (i=1 ; i<=nrs ; i++) {
		weergave[i-1] = 'http://www.legrandcrew.com/site-design/content-big-bottoms/'+i+'.png';
	}
	index = Math.floor(Math.random() * nrs);
	document.write('<img src="'+ weergave[index]+'" border="0">');
	
}