var imagesLoaded=false;

function imageDn(imgNum){
	if(!imagesLoaded) return false;
	img=document.images["nav"+imgNum];
	alt=eval("alt"+imgNum);
	holder=img.src;
	img.src=alt.src;
	alt.src=holder;
	alt.locked=false;
}

function imageUp(imgNum){
	if(!imagesLoaded) return false;
	alt=eval("alt"+imgNum);
	if(alt.locked) return false;
	img=document.images["nav"+imgNum];
	holder=img.src;
	img.src=alt.src;
	alt.src=holder;
}

function newImage(url){
	nImage=new Image();
	nImage.src=url;
	return nImage;
}

function loadNavigation(){
	alt1=newImage("/images/n_options_dn.jpg");
	alt1.locked=true;
	alt2=newImage("/images/n_your_dn.jpg");
	alt2.locked=true;
	alt3=newImage("/images/n_samples_dn.jpg");
	alt3.locked=true;
	alt4=newImage("/images/n_book_dn.jpg");
	alt4.locked=true;
	alt5=newImage("/images/n_about_dn.jpg");
	alt5.locked=true;
	alt6=newImage("/images/n_contact_dn.jpg");
	alt6.locked=true;
	
	imagesLoaded=true;
}

window.onload=loadNavigation;

function loadMovieWindow(URL){
	window.open(URL,"SampleMovie","WIDTH=555,HEIGHT=443")
}