nav_01_norm = new Image(); nav_01_norm.src = "img/nav_01_works_norm.gif";
nav_01_roll = new Image(); nav_01_roll.src = "img/nav_01_works_roll.gif";
nav_02_norm = new Image(); nav_02_norm.src = "img/nav_02_writings_norm.gif";
nav_02_roll = new Image(); nav_02_roll.src = "img/nav_02_writings_roll.gif";
nav_03_norm = new Image(); nav_03_norm.src = "img/nav_03_biography_norm.gif";
nav_03_roll = new Image(); nav_03_roll.src = "img/nav_03_biography_roll.gif";
nav_04_norm = new Image(); nav_04_norm.src = "img/nav_04_bibliography_norm.gif";
nav_04_roll = new Image(); nav_04_roll.src = "img/nav_04_bibliography_roll.gif";
nav_05_norm = new Image(); nav_05_norm.src = "img/nav_05_news_norm.gif";
nav_05_roll = new Image(); nav_05_roll.src = "img/nav_05_news_roll.gif";
nav_06_norm = new Image(); nav_06_norm.src = "img/nav_06_contact_norm.gif";
nav_06_roll = new Image(); nav_06_roll.src = "img/nav_06_contact_roll.gif";

works_nav_norm = new Image(); works_nav_norm.src = "img/works_nav_norm.gif";
works_nav_roll = new Image(); works_nav_roll.src = "img/works_nav_roll.gif";
works_nav_in = new Image(); works_nav_in.src = "img/works_nav_in.gif";

function imgOn(imgName) {
	document[imgName].src = eval(imgName + "_roll.src");
}

function imgOff(imgName) {
	document[imgName].src = eval(imgName + "_norm.src");
}

function imgOnWorks(imgName) {
	document.wtn.src = eval("works_"+imgName + ".src");
	document["works_nav_"+imgName].src = eval("works_nav_roll.src");
}

function imgOffWorks(imgName, restName) {
	document.wtn.src = eval("works_"+restName + ".src");
	if(imgName==restName){
		document["works_nav_"+imgName].src = eval("works_nav_in.src");
	}else{
		document["works_nav_"+imgName].src = eval("works_nav_norm.src");
	}
}

function showPop(addy, winName, winWidth, winHeight) {
	if (winWidth == null) winWidth = 650;
	if (winHeight == null) winHeight = 680;
	if (winName == null) winName = 'jh';
	var newWindow = window.open(addy, winName, 'width=' + winWidth + ',height=' + winHeight + ',toolbar=0,alwaysRaised=1,alwaysLowered=0,scrollbars=no,resizable=no,menubar=no,status=no,statusbar=0,directories=no,location=no,top=0,left=0');
}