var mnArys_ON = new Array();
var mnArys_OF = new Array();



//===========================================
// main_over()
//===========================================
function main_over(wk){
	var mSrc  = document.images[wk].src;
	var mLast = mSrc.lastIndexOf("/") + 1;
	var mDir  = mSrc.substring(0,mLast);

	if( document.images[wk] ){
		document.images[wk].src = mDir + wk + "_on.gif";
	}

}


//===========================================
// main_out()
//===========================================
function main_out(wk){
	var mSrc  = document.images[wk].src;
	var mLast = mSrc.lastIndexOf("/") + 1;
	var mDir  = mSrc.substring(0,mLast);

	if( document.images[wk] ){
		document.images[wk].src = mDir + wk + ".gif";
	}
}


//===========================================
// main_load()
//===========================================
function main_load(){
	var mCnt = 0;
	var mName;
	var mSrc;
	var mLast;
	var mDir;

	for( var i = 0; i < document.images.length; i ++ ){
		if( document.images[i].name.indexOf("main_") >= 0 ){
			mSrc  = document.images[i].src;
			mLast = mSrc.lastIndexOf("/") + 1;
			mDir  = mSrc.substring(0,mLast);
			mName = document.images[i].name;

			mnArys_ON[mCnt] = new Image();  mnArys_ON[mCnt].src = mDir + mName + "_on.gif";
			mnArys_OF[mCnt] = new Image();  mnArys_OF[mCnt].src = mDir + mName + ".gif";
			//document.write('<img src="' + mnArys_ON[mCnt].src + '"><br><img src="' + mnArys_OF[mCnt].src + '"><br>');
			mCnt ++;
		}
	}
}


//===========================================
// for old contents
//===========================================
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}


//*******************************************************************
//-->