function add_images(){
	
var NUMBER_OF_IMAGES = 1;
var imgs = new Array(

"../../images_overview/off_overview_001.jpg",
"../../images_overview/off_overview_002.jpg"

);

for(var i = 0; i < NUMBER_OF_IMAGES; i++)
{
var ran_num = Math.floor(Math.random() * imgs.length)
var img = document.createElement("img");
img.setAttribute("src",imgs[ran_num]);
document.getElementById("pict_content").appendChild(img);
}
}
window.onload = add_images;