// General Popup function
var itemPopupWindow=null;
function itemPopup(itemPage,itemWindow,w,h,pos,infocus){
    LeftPosition=(screen.width)?(screen.width-w)/2:100;
    TopPosition=(screen.height)?(screen.height-h)/2:100;
    settings='width='+ w + ',height='+ h + ',top=' + TopPosition + ',left=' + LeftPosition + ',location=no,directories=no,menubar=no,toolbar=no,status=no,scrollbars=yes,resizable=yes,dependent=no';
    itemPopupWindow=window.open('',itemWindow,settings);
    itemPopupWindow.focus();
    itemPopupWindow.location = itemPage;
}

// focus to first form field
function formFocus() {
    if (document.forms.length > 0) {
    	var field = document.forms[0];
        for (i = 0; i < field.length; i++) {
        	if ((field.elements[i].type == "text") || (field.elements[i].type == "textarea") || (field.elements[i].type.toString().charAt(0) == "s")) {
        		document.forms[0].elements[i].focus();
        		break;
            }
        }
	}
}

//If the browser is W3 DOM compliant, execute setImageSwaps function
if (document.getElementsByTagName && document.getElementById) {
	if (window.addEventListener) window.addEventListener('load', setImageSwaps, false);
		else if (window.attachEvent) window.attachEvent('onload', setImageSwaps);
}

function setImageSwaps() {
/*
foo_nm.jpg
    Our base image name
foo_hv.jpg
    Image name for hover
foo_md.jpg
    Image name for mouse-down
foo_ou.jpg
    Image name for mouse-out (when you want a separate image for mouse-out instead of restoring to original)
foo_mu.jpg
    Image name for mouse-up (when you want a separate image for mouse-up instead of restoring to original)
*/
	//Hover with restore
	prepareImageSwap(document.body);
}

function prepareImageSwap(elem,mouseOver,mouseOutRestore,mouseDown,mouseUpRestore,mouseOut,mouseUp) {
//Do not delete these comments.
//Non-Obtrusive Image Swap Script V1.1 by Hesido.com
//Attribution required on all accounts
/*
Elem:
    Element passed as object or its ID as string
    Element || Element's ID (string)
mouseOver
    Do image swap on mouse hover?
    true || false (default: true)
mouseOutRestore
    Restore image on mouse-out?
    true || false (default: true)
mouseDown
    Do image swap on mouse-down?
    true || false (default: false)
mouseUpRestore
    Restore image on mouse-button-up?
    true || false (default: false)
mouseOut
    Use separate image for mouse-out?
    true || false (default: false)
mouseOut
    Use separate image for mouse-up?
    true || false (default: false)
*/
    if (typeof(elem) == 'string') elem = document.getElementById(elem);
    if (elem == null) return;
    var regg = /(.*)(_nm\.)([^\.]{3,4})$/
    var prel = new Array(), img, imgList, imgsrc, mtchd;
    imgList = elem.getElementsByTagName('img');
    for (var i=0; img = imgList[i]; i++) {
        if (!img.rolloverSet && img.src.match(regg)) {
            mtchd = img.src.match(regg);
            img.hoverSRC = mtchd[1]+'_hv.'+ mtchd[3];
            img.outSRC = img.src;
            if (typeof(mouseOver) != 'undefined') {
                img.hoverSRC = (mouseOver) ? mtchd[1]+'_hv.'+ mtchd[3] : false;
                img.outSRC = (mouseOut) ? mtchd[1]+'_ou.'+ mtchd[3] : (mouseOver && mouseOutRestore) ? img.src : false;
                img.mdownSRC = (mouseDown) ? mtchd[1]+'_md.' + mtchd[3] : false;
                img.mupSRC = (mouseUp) ? mtchd[1]+'_mu.' + mtchd[3] : (mouseOver && mouseDown && mouseUpRestore) ? img.hoverSRC : (mouseDown && mouseUpRestore) ? img.src : false;
                }
            if (img.hoverSRC) {preLoadImg(img.hoverSRC); img.onmouseover = imgHoverSwap;}
            if (img.outSRC) {preLoadImg(img.outSRC); img.onmouseout = imgOutSwap;}
            if (img.mdownSRC) {preLoadImg(img.mdownSRC); img.onmousedown = imgMouseDownSwap;}
            if (img.mupSRC) {preLoadImg(img.mupSRC); img.onmouseup = imgMouseUpSwap;}
            img.rolloverSet = true;
        }
    }
    function preLoadImg(imgSrc) {
        prel[prel.length] = new Image(); prel[prel.length-1].src = imgSrc;
    }
}
function imgHoverSwap() {this.src = this.hoverSRC;}
function imgOutSwap() {this.src = this.outSRC;}
function imgMouseDownSwap() {this.src = this.mdownSRC;}
function imgMouseUpSwap() {this.src = this.mupSRC;}