// JavaScript Document

onload = function()
{
	var h = 0;
	var l = 0;
	var ht = 0;
 
 	var main = document.getElementById( 'main' );

   if( main.style.offsetHeight )
		h = main.style.offsetHeight;
	else if( main.style.pixelHeight )
		h = main.style.pixelHeight;
   else
		h = main.clientHeight;

   var left = document.getElementById( 'main-left' );

   if( left.style.offsetHeight )
		l = left.style.offsetHeight;
	else if( left.style.pixelHeight )
		l = left.style.pixelHeight;
   else
		l = left.clientHeight;

   var right = document.getElementById( 'main-right' );

   if( right.style.offsetHeight )
		r = right.style.offsetHeight;
	else if( right.style.pixelHeight )
		r = right.style.pixelHeight;
   else
		r = right.clientHeight;
		
	ht = Math.max(l, r, h );
	
	document.getElementById( 'main-left' ).style.height =  ht;
	document.getElementById( 'main-right' ).style.height =  ht;
	document.getElementById( 'main' ).style.height =  ht;

}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		nav_01_ImageMap_09_over = newImage("images/nav_01-ImageMap_09_over.jpg");
		nav_01_ImageMap_08_over = newImage("images/nav_01-ImageMap_08_over.jpg");
		nav_01_ImageMap_07_over = newImage("images/nav_01-ImageMap_07_over.jpg");
		nav_01_ImageMap_06_over = newImage("images/nav_01-ImageMap_06_over.jpg");
		nav_01_ImageMap_05_over = newImage("images/nav_01-ImageMap_05_over.jpg");
		nav_01_ImageMap_04_over = newImage("images/nav_01-ImageMap_04_over.jpg");
		nav_01_ImageMap_03_over = newImage("images/nav_01-ImageMap_03_over.jpg");
		nav_01_ImageMap_02_over = newImage("images/nav_01-ImageMap_02_over.jpg");
		nav_01_ImageMap_01_over = newImage("images/nav_01-ImageMap_01_over.jpg");
		preloadFlag = true;
	}
}