var RollOverCapable;
	var loaded;
function loadImg () {
	//if (RollOverCapable) {
		topOn        = new Image; topOn.src       = "../images/top_on.gif";
		topOff       = new Image; topOff.src      = "../images/top.gif";

		purposeOn    = new Image; purposeOn.src   = "../images/purpose_on.gif";
		purposeOff   = new Image; purposeOff.src  = "../images/purpose.gif";

		researchOn   = new Image; researchOn.src  = "../images/research_on.gif";
		researchOff  = new Image; researchOff.src = "../images/research.gif";

		projectOn    = new Image; projectOn.src   = "../images/project_on.gif";
		projectOff   = new Image; projectOff.src  = "../images/project.gif";

		activityOn   = new Image; activityOn.src   = "../images/activity_on.gif";
		activityOff  = new Image; activityOff.src  = "../images/activity.gif";

		eduOn        = new Image; eduOn.src       = "../images/edu_on.gif";
		eduOff       = new Image; eduOff.src      = "../images/edu.gif";

		infoOn       = new Image; infoOn.src      = "../images/info_on.gif";
		infoOff      = new Image; infoOff.src     = "../images/info.gif";

		sitemapOn    = new Image; sitemapOn.src   = "../images/sitemap_on.gif";
		sitemapOff   = new Image; sitemapOff.src  = "../images/sitemap.gif";

		mailtoOn     = new Image; mailtoOn.src    = "../images/mailto_on.gif";
		mailtoOff    = new Image; mailtoOff.src   = "../images/mailto.gif";

		linkOn       = new Image; linkOn.src      = "../images/link_on.gif";
		linkOff      = new Image; linkOff.src     = "../images/link.gif";
		
		magazineOn   = new Image; magazineOn.src   = "../images/magazine_on.gif";
		magazineOff  = new Image; magazineOff.src  = "../images/magazine.gif";

		downloadOn   = new Image; downloadOn.src    = "../images/download_on.gif";
		downloadOff  = new Image; downloadOff.src   = "../images/download.gif";
		
		loaded = 1;
	//}
}

function switchOn(imgName) {
	if (loaded == 1) {
		imgOn = eval(imgName + "On.src");
		document.images[imgName].src = imgOn;
	}
}

function switchOff(imgName) {
	if (loaded == 1) {
		imgOff = eval(imgName + "Off.src");
		document.images[imgName].src = imgOff;
	}
}

//セレクトボックス
function LinkDaiWinOpen() {
	window.location.href = document.jump_dai_menu.sel_menu.options[document.jump_dai_menu.sel_menu.selectedIndex].value;
}

function LinkWinOpen() {
	window.location.href = document.jump_menu.sel_menu.options[document.jump_menu.sel_menu.selectedIndex].value;
}


//友達に推薦する
	var sampleWin;
	var html_file,widthsize,heightsize,scrollflag;
	function sampleWinopen(html_file,widthsize,heightsize,menuflag,scrollflag){
		sampleWin = window.open(html_file, "sampleWin", "HEIGHT="+heightsize+",WIDTH="+widthsize+",resizable=1,menubar="+menuflag+",scrollbars="+scrollflag);
		sampleWin.focus();
	}