/*==========================================================*/

/* �w�i�؂�ւ� */



function getCSS()

{

 datetoday = new Date();

 timenow=datetoday.getTime();

 datetoday.setTime(timenow);

 thehour = datetoday.getHours();



 if (thehour >= 19)

  display = "css/bg_night.css";

 else if (thehour >= 16)

  display = "css/bg_evening.css";

 else if (thehour >= 10)

  display = "css/bg_noon.css";

 else if (thehour >= 4)

  display = "css/bg_morning.css";

 else if (thehour >= 0)

  display = "css/bg_night.css";

 else

  display = "css/bg_noon.css";

 var css = '<';  css+='link rel="stylesheet" href=' + display + ' \/';  css+='>';

 document.write(css);

// End -->

}



function getCSS2()

{

 datetoday = new Date();

 timenow=datetoday.getTime();

 datetoday.setTime(timenow);

 thehour = datetoday.getHours();



 if (thehour >= 19)

  display = "../css/bg_night.css";

 else if (thehour >= 16)

  display = "../css/bg_evening.css";

 else if (thehour >= 10)

  display = "../css/bg_noon.css";

 else if (thehour >= 4)

  display = "../css/bg_morning.css";

 else if (thehour >= 0)

  display = "../css/bg_night.css";

 else

  display = "../css/bg_noon.css";

 var css = '<';  css+='link rel="stylesheet" href=' + display + ' \/';  css+='>';

 document.write(css);

// End -->

}





/*==========================================================*/

/* rollover */


/*
function smartRollover() {

	if(document.getElementsByTagName) {

		var images = document.getElementsByTagName("img");



		for(var i=0; i < images.length; i++) {

			if(images[i].getAttribute("src").match("_off."))

			{

				images[i].onmouseover = function() {

					this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));

				}

				images[i].onmouseout = function() {

					this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));

				}

			}

		}

	}

}



if(window.addEventListener) {

	window.addEventListener("load", smartRollover, false);

}

else if(window.attachEvent) {

	window.attachEvent("onload", smartRollover);

}
*/

function smartRollover() {  
  if(document.getElementsByTagName) {  
    var tags = ["img","input"];  
    var len = tags.length;  
    for( var i=0; i<len; i++ ) {  
      var el = document.getElementsByTagName(tags[i]);  
      var len2 = el.length;  
      for(var j=0; j<len2; j++) {  
        var attr = el[j].getAttribute("src");  
        if( attr ) {  
          if(el[j].getAttribute("src").match(/_off\./))  
          {  
            el[j].onmouseover = function() {  
              this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));  
            }  
            el[j].onmouseout = function() {  
              this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));  
            }  
          }  
        }  
      }  
    }  
  }  
}  
if(window.addEventListener) {  
  window.addEventListener("load", smartRollover, false);  
}  
else if(window.attachEvent) {  
  window.attachEvent("onload", smartRollover);  
} 



/*==========================================================*/

/* pageup */



function fUp() {

	var d=document;

	var scroll_left=d.body.scrollLeft || d.documentElement.scrollLeft || d.scrollX || 0;

	var scroll_top=d.body.scrollTop || d.documentElement.scrollTop || d.scrollY || 0;

	scrollTo(scroll_left/2, scroll_top/2);

	if(scroll_left>0 || scroll_top>0){

	var f=setTimeout("fUp()", 35);

	}else{

		clearTimeout(f);

	}

}