function gif_over(img) {
	img.src=img.src.replace('.gif','r.gif');
}
function gif_out(img) {
	img.src=img.src.replace('r.gif','.gif');
}


function preload() {
  if (document.images) {
    var imgsrc = preload.arguments;
    arr=new Array(imgsrc.length);
    for (var j=0; j<imgsrc.length; j++) {
      arr[j] = new Image;
      arr[j].src = imgsrc[j];
    }
  }
}

/* Random header image */
var amount = 5
var text = new Array(amount+1)
text[0]="<img src='i/head_img1.jpg' width='443' height='192' class='img_ie' />"
text[1]="<img src='i/head_img2.jpg' width='443' height='192' class='img_ie' />"
text[2]="<img src='i/head_img3.jpg' width='443' height='192' class='img_ie' />"
text[3]="<img src='i/head_img4.jpg' width='443' height='192' class='img_ie' />"
text[4]="<img src='i/head_img5.jpg'  width='443' height='192' class='img_ie' />"
text[5]="<img src='i/head_img6.jpg' width='443' height='192' class='img_ie' />"
text[6]="<img src='i/head_img7.jpg' width='443' height='192' class='img_ie' />"
text[7]="<img src='i/head_img8.jpg' width='443' height='192' class='img_ie' />"
text[8]="<img src='i/head_img9.jpg' width='443' height='192' class='img_ie' />"
text[9]="<img src='i/head_img10.jpg' width='443' height='192' class='img_ie' />"
text[10]="<img src='i/head_img11.jpg' width='443' height='192' class='img_ie' />"


function rndnumber(){
	var randscript = -1
	while (randscript < 0 || randscript > amount || isNaN(randscript)){
		randscript = parseInt(Math.random()*(amount+1))
	}
	return randscript
}