classCheck = function(xClassName){
		var result = new Array();
		var elements = (document.all)?document.all:document.getElementsByTagName('*');
		for(var i = 0 ; i < elements.length ; i++){
			if(elements[i].className == xClassName){
				result.push(elements[i]);
			}
 		}
	return result;
}

function over(){
	over.prototype.define('over');
}

over.prototype.define = function(xclassName){
	var objs = classCheck(xclassName);
	for(var i = 0 ; i < objs.length ; i++){
		var pa = objs[i];
		pa.imgPath = objs[i].src;
		pa.imgOver = new Image();
		pa.imgOver.src = imgChange(pa.src);
		pa.onmouseover = function(){this.src=this.imgOver.src};
		pa.onmouseout = function(){this.src=this.imgPath};
	}
}

function imgChange(path){
	tmpPath=(path.indexOf("_o.")<0)?path.substr(path.lastIndexOf("/")).replace(".","_o."):path.substr(path.lastIndexOf("/")).replace("_o.",".");
	return path.substr(0,path.lastIndexOf("/")) + tmpPath;
}


/*======================================================================* 
 *  pagetop                                                             *
 *======================================================================*/

function backToTop() {
  var x1 = x2 = x3 = 0;
  var y1 = y2 = y3 = 0;
  if (document.documentElement) {
      x1 = document.documentElement.scrollLeft || 0;
      y1 = document.documentElement.scrollTop || 0;
  }
  if (document.body) {
      x2 = document.body.scrollLeft || 0;
      y2 = document.body.scrollTop || 0;
  }
  x3 = window.scrollX || 0;
  y3 = window.scrollY || 0;
  var x = Math.max(x1, Math.max(x2, x3));
  var y = Math.max(y1, Math.max(y2, y3));
  window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
  if (x > 0 || y > 0) {
      window.setTimeout("backToTop()", 25);
  }
}


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

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;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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];}
}


/*======================================================================* 
 *  global menu                                                         *
 *======================================================================*/

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function activeCheck(){
	var url=String(window.location);
	// global-navi
	if( (check=url.indexOf('purpose')) != -1 ){
		var tags=document.getElementsByTagName("li");
		for(var i=0;i<tags.length;i++){
			if(tags[i].className=="gnavi01") tags[i].className="gnavi01a";
		}
	}if( (check=url.indexOf('models')) != -1 ){
		var tags=document.getElementsByTagName("li");
		for(var i=0;i<tags.length;i++){
			if(tags[i].className=="gnavi02") tags[i].className="gnavi02a";
		}
	}if( (check=url.indexOf('service')) != -1 ){
		var tags=document.getElementsByTagName("li");
		for(var i=0;i<tags.length;i++){
			if(tags[i].className=="gnavi03") tags[i].className="gnavi03a";
		}
	}if( (check=url.indexOf('event')) != -1 ){
		var tags=document.getElementsByTagName("li");
		for(var i=0;i<tags.length;i++){
			if(tags[i].className=="gnavi04") tags[i].className="gnavi04a";
		}
	}if( (check=url.indexOf('exhibits')) != -1 ){
		var tags=document.getElementsByTagName("li");
		for(var i=0;i<tags.length;i++){
			if(tags[i].className=="gnavi05") tags[i].className="gnavi05a";
		}
	}if( (check=url.indexOf('used')) != -1 ){
		var tags=document.getElementsByTagName("li");
		for(var i=0;i<tags.length;i++){
			if(tags[i].className=="gnavi06") tags[i].className="gnavi06a";
		}
	}if( (check=url.indexOf('license')) != -1 ){
		var tags=document.getElementsByTagName("li");
		for(var i=0;i<tags.length;i++){
			if(tags[i].className=="gnavi07") tags[i].className="gnavi07a";
		}
	}if( (check=url.indexOf('information')) != -1 ){
		var tags=document.getElementsByTagName("li");
		for(var i=0;i<tags.length;i++){
			if(tags[i].className=="gnavi08") tags[i].className="gnavi08a";
		}
	}
	// models/conv local-navi
	var tags=document.getElementsByTagName("a");
	for(var i=0;i<tags.length;i++){
		if( (url.indexOf(check='/models/conv/'+tags[i].className+'/')) != -1 ){
			tags[i].className="active";
		}
	}
	// models/cruise local-navi
	var tags=document.getElementsByTagName("a");
	for(var i=0;i<tags.length;i++){
		if( (url.indexOf(check='/models/cruise/'+tags[i].className+'/')) != -1 ){
			tags[i].className="active";
		}
	}
	// models/fishing local-navi
	var tags=document.getElementsByTagName("a");
	for(var i=0;i<tags.length;i++){
		if( (url.indexOf(check='/models/fishing/'+tags[i].className+'/')) != -1 ){
			tags[i].className="active";
		}
	}
}


/*======================================================================* 
 *  other window                                                        *
 *======================================================================*/

function externalLinks() {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") &&
		((anchor.getAttribute("rel") == "external nofollow") || (anchor.getAttribute("rel") == "nofollow external") || (anchor.getAttribute("rel") == "external")))
		anchor.target = "_blank";
	}
}
window.onload = externalLinks;