function randomString() 
{
	var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
	var string_length = 8;
	var randomstring = '';
	for (var i=0; i<string_length; i++) 
	{
		var rnum = Math.floor(Math.random() * chars.length);
		randomstring += chars.substring(rnum,rnum+1);
	}
	return randomstring;
}

function preloader(){
	var i = 0;
	
	imageObj = new Image();
	
	images = new Array();
	images[0]="http://www.sevbo.eu/cms_sevbo/tpl/images/sevbo_08.png";
	images[1]="http://www.sevbo.eu/cms_sevbo/tpl/images/sevbo_09.png";
	images[2]="http://www.sevbo.eu/cms_sevbo/tpl/images/sevbo_10.png";
	images[3]="http://www.sevbo.eu/cms_sevbo/tpl/images/sevbo_11.png";
	images[4]="http://www.sevbo.eu/cms_sevbo/tpl/images/sevbo_12.png";
	images[5]="http://www.sevbo.eu/cms_sevbo/tpl/images/sevbo_13.png";
	images[6]="http://www.sevbo.eu/cms_sevbo/tpl/images/sevbo_14.png";
	
	// start preloading
	for(i=0; i<=6; i++) {
		imageObj.src = images[i];
	}
}



function setActief(onderdeel)
{
	return true;
}

function trim(value) {
	  value = value.replace(/^\s+/,'');
	  value = value.replace(/\s+$/,'');
	  return value;
	}