// JavaScript Document
var NS,IE,N06
NS   = (document.layers) ? true:false;                 // NETSCAPE 4 ******************
IE   = (document.all) ? true:false;                    // IE 4Up  *********************
N06 = ((document.getElementById)&&(!IE))?true:false;   // NETSCAPE 6 etc. *************
// END BROWSER VARIABLES **************************************************************
// mouseover scripts including fix for NS complete path *******************************

function preload(imgObj,imgSrc) {
	if (document.images) {
		eval(imgObj+' = new Image()');
		eval(imgObj+'.src = "'+imgSrc+'"');
	}
}

function swapOver(i,imgName) {
	if (NS && i!=null){
		eval('document.'+i+'.document.images["'+imgName+'"].src = '+imgName+'on.src');
	} else {
		document.images[imgName].src = eval(imgName+"on.src");
	}
}
function swapOut(i,imgName) {
	if (NS && i!=null){
		eval('document.'+i+'.document.images["'+imgName+'"].src = '+imgName+'off.src');
	} else {
		document.images[imgName].src = eval(imgName+"off.src");
	}
}
function imgChange(i,imgObj,imgName) {
	if (NS && i!=null){
		eval('document.'+i+'.document.images["'+imgName+'"].src = '+imgObj+'.src');
	} else {
		document.images[imgName].src = eval(imgObj+".src");
	}
}

// preload nav rollover images
// Main Nav
preload('arrowdownoff','/img_cmn/nav/arrow_down_off.gif');
preload('arrowdownon','/img_cmn/nav/arrow_down_on.gif');

preload('arrowupoff','/img_cmn/nav/arrow_up_off.gif');
preload('arrowupon','/img_cmn/nav/arrow_up_on.gif');


// Scroller function

/*************************************************************************
  This code is from Dynamic Web Coding at http://www.dyn-web.com/
  See Terms of Use at http://www.dyn-web.com/bus/terms.html
  regarding conditions under which you may use this code.
  This notice must be retained in the code as is!
*************************************************************************/

var timer_id;
function scroll_iframe(frm,inc,dir) {
  if (timer_id) clearTimeout(timer_id);
  if (window.frames[frm]) {
    if (dir == "v") window.frames[frm].scrollBy(0, inc);
    else window.frames[frm].scrollBy(inc, 0);
    timer_id = setTimeout("scroll_iframe('" + frm + "'," + inc + ",'" + dir + "')", 50);
  }
}

function stopScroll() { if (timer_id) clearTimeout(timer_id); }