function navOverOut(objType,imgID,imgState) {
	if (document.images) {
		var objID = (imgID - 1);
		var imgName = "nav" + objType + "Img" + imgState + "[" + objID + "]";
		var imgPath = eval(imgName + '.src');
		var imageObj = "nav" + objType + "ImgObj" + imgID;
		document[imageObj].src = imgPath;
	}
}

function imgOverOut(imgID,imgState) {
	if (document.images) {
		var imgName = imgID + imgState;
		var imgPath = eval(imgName + '.src');
		var imageObj = imgID;
		document[imageObj].src = imgPath;
	}
}

/*---------- START: preload images ----------*/

var navImgNames = new Array(
	'grants',
	'fellowships',
	'the_kress_collection',
	'news',
	'about_us'
);

var navMainImgOff = new Array();
var navMainImgOver = new Array();
var navMainImgOn = new Array();
var navMainImgOnOver = new Array();

for (var i=0; i<navImgNames.length; i++) {
	var basePath = '/images/common/btn_nav_';
	navMainImgOff[i] = new Image();
	navMainImgOff[i].src = basePath + navImgNames[i] + "_off.gif";
	navMainImgOver[i] = new Image();
	navMainImgOver[i].src = basePath + navImgNames[i] + "_over.gif";
	navMainImgOn[i] = new Image();
	navMainImgOn[i].src = basePath + navImgNames[i] + "_on.gif";
	navMainImgOnOver[i] = new Image();
	navMainImgOnOver[i].src = basePath + navImgNames[i] + "_onover.gif";
}

var tabImgNames = new Array(
	'repository_list',
	'repository_map',
	'artist_list'
);

var navTabImgOff = new Array();
var navTabImgOver = new Array();
var navTabImgOn = new Array();

for (var i=0; i<tabImgNames.length; i++) {
	var basePath = '/images/common/btn_tab_view_';
	navTabImgOff[i] = new Image();
	navTabImgOff[i].src = basePath + tabImgNames[i] + "_off.gif";
	navTabImgOver[i] = new Image();
	navTabImgOver[i].src = basePath + tabImgNames[i] + "_over.gif";
	navTabImgOn[i] = new Image();
	navTabImgOn[i].src = basePath + tabImgNames[i] + "_on.gif";
}

var globalLinksImgNames = new Array(
	'contact_us',
	'faq',
	'terms_of_use',
	'fellows_log_in'
);

var navGlobalImgOff = new Array();
var navGlobalImgOver = new Array();
var navGlobalImgOn = new Array();

for (var i=0; i<globalLinksImgNames.length; i++) {
	var basePath = '/images/common/btn_global_';
	navGlobalImgOff[i] = new Image();
	navGlobalImgOff[i].src = basePath + globalLinksImgNames[i] + "_off.gif";
	navGlobalImgOver[i] = new Image();
	navGlobalImgOver[i].src = basePath + globalLinksImgNames[i] + "_over.gif";
	navGlobalImgOn[i] = new Image();
	navGlobalImgOn[i].src = basePath + globalLinksImgNames[i] + "_over.gif";
}

var printButtonOff = new Image();
printButtonOff.src = '/images/common/btn_print_off.gif';
var printButtonOver = new Image();
printButtonOver.src = '/images/common/btn_print_over.gif';
var printButtonOn = new Image();
printButtonOn.src = '/images/common/btn_print_on.gif';

var navHomeImgOff = new Array();
var navHomeImgOver = new Array();

for (var i=0; i<navImgNames.length; i++) {
	var basePath = '/images/home/btn_home_';
	navHomeImgOff[i] = new Image();
	navHomeImgOff[i].src = basePath + navImgNames[i] + "_off.gif";
	navHomeImgOver[i] = new Image();
	navHomeImgOver[i].src = basePath + navImgNames[i] + "_over.gif";
}

var viewArtworkOff = new Image();
viewArtworkOff.src = '/images/common/btn_view_artwork_off.gif';
var viewArtworkOver = new Image();
viewArtworkOver.src = '/images/common/btn_view_artwork_over.gif';

var tabSearchImgNames = new Array(
	'site_wide_search_results',
	'kress_collection_search_results'
);

var navTabSearchImgOff = new Array();
var navTabSearchImgOver = new Array();
var navTabSearchImgOn = new Array();

for (var i=0; i<tabSearchImgNames.length; i++) {
	var basePath = '/images/common/btn_tab_';
	navTabSearchImgOff[i] = new Image();
	navTabSearchImgOff[i].src = basePath + tabSearchImgNames[i] + "_off.gif";
	navTabSearchImgOver[i] = new Image();
	navTabSearchImgOver[i].src = basePath + tabSearchImgNames[i] + "_over.gif";
	navTabSearchImgOn[i] = new Image();
	navTabSearchImgOn[i].src = basePath + tabSearchImgNames[i] + "_on.gif";
}

var viewIconOver = new Image();
viewIconOver.src = "/images/common/icon_view_over.gif";
var viewIconOff = new Image();
viewIconOff.src = "/images/common/icon_view_off.gif";

var homePageMessageOver = new Image();
homePageMessageOver.src = "/images/home/home_page_message_over.gif";
var homePageMessageOff = new Image();
homePageMessageOff.src = "/images/home/home_page_message_off.gif";

var viewPreviewOver = new Image();
viewPreviewOver.src = "/images/common/icon_preview_over.gif";
var viewPreviewOff = new Image();
viewPreviewOff.src = "/images/common/icon_preview_off.gif";

var viewArtvOver = new Image();
viewArtvOver.src = "/images/common/icon_artv_over.gif";
var viewArtvOff = new Image();
viewArtvOff.src = "/images/common/icon_artv_off.gif";

var viewQtvrOver = new Image();
viewQtvrOver.src = "/images/common/icon_qtvr_over.gif";
var viewQtvrOff = new Image();
viewQtvrOff.src = "/images/common/icon_qtvr_off.gif";

var view3DOver = new Image();
view3DOver.src = "/images/common/icon_3d_over.gif";
var view3DOff = new Image();
view3DOff.src = "/images/common/icon_3d_off.gif";

function imgObjOverOut(imgID, imgObjState) {
    if (document.images) {
        var imgPath = imgObjState.src;
        var imageObj = imgID;
        document[imageObj].src = imgPath;
    }
}


/*---------- END: preload images ----------*/