// ロールオーバーイメージ
function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_o'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_o'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

window.onload = function(){
  initRollovers();
  mychange();
}


// 画像の切り替え
var cnt = 0;
var maxcnt = 3;
function mychange(){
  cnt++;
  if (cnt == maxcnt) cnt= 0;
  var allImages = document.getElementsByTagName('img');
	for (var i = 0; i < allImages.length; i++) {		
      if (allImages[i].className == 'myPIC') {
        document.myPIC.src = "newutc/images/top_img0"+cnt+".jpg";
        setTimeout("mychange()", 5000);
        }
      if (allImages[i].className == 'myPIC1') {
        document.myPIC1.src = "images/top_img0"+cnt+".jpg";
        setTimeout("mychange()", 5000);
        }
      if (allImages[i].className == 'myPIC2') {
        document.myPIC2.src = "../images/top_img0"+cnt+".jpg";
        setTimeout("mychange()", 5000);
        }
      if (allImages[i].className == 'myPIC3') {
        document.myPIC3.src = "../../images/top_img0"+cnt+".jpg";
        setTimeout("mychange()", 5000);
        }
      }
    }