//////////////////////////////////////////////////////////////////////////
//  Subroutine
//////////////////////////////////////////////////////////////////////////


//ImageSwap
function ImgON(imgElement) {imgElement.src=imgElement.src.replace(/off\.(gif|jpg|png)/i, 'on\.$1');}
function ImgOFF(imgElement){imgElement.src=imgElement.src.replace(/on\.(gif|jpg|png)/i,'off\.$1'); }


//PageScroll
function setGoTop(){
	var aTagList=document.getElementsByTagName('a');
	for (var i=0; i<aTagList.length; i++){if(aTagList[i].href.match(/#PGTOP/i)){aTagList[i].onclick=goPageTop;}}
}
var goTopMove=20;
var goTopPosi;
function goPageTop(){
	var yPos = document.body.scrollTop || document.documentElement.scrollTop;
	mObj(yPos);
	return false;
}
function mObj(y,s){
	if(s) goTopMove=s;
	goTopPosi=parseInt(y-y*2/goTopMove);
	scrollTo(0,goTopPosi);
	if(goTopPosi>0) setTimeout('mObj(goTopPosi, goTopMove)',1);
}
if(window.addEventListener) window.addEventListener('load',setGoTop,false);
if(window.attachEvent) window.attachEvent('onload',setGoTop);


//Head Button RollOver
function showPulldown(plist){
	var a = plist.getElementsByTagName('a')[0];
	var pd = plist.getElementsByTagName('p')[0];
	var elems = document.getElementById("none");
	if(pd) pd.style.display = 'block';
}
function hidePulldown(plist){
	var a = plist.getElementsByTagName('a')[0];
	var pd = plist.getElementsByTagName('p')[0];
	var elems = document.getElementById("none");
	if(pd) pd.style.display = 'none';
}