function fnRoll(imgName,strSrc) {
	//USAGE : <a href="#" onmouseover="fnRoll('imgName','/images/sample_on.gif');" onmouseout="fnRoll('imgName','/images/sample_off.gif');"></a>
	if (document.images) document[imgName].src = strSrc;
}

function indexRoll(theImage) {
	if (document.getElementById("roll-"+theImage).style.visibility == 'visible') {
		document.getElementById("roll-"+theImage).style.visibility = 'hidden';
		document.getElementById("introMovieBox").style.visibility = 'visible';
	} else {
		document.getElementById("roll-"+theImage).style.visibility = 'visible';
		document.getElementById("introMovieBox").style.visibility = 'hidden';
	}
}

function MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function fnInit(){
	//uncomment and customize image paths to pre-load
	MM_preloadImages('images/roll_nav_right-floral.jpg',
						'images/roll_nav_right-abstracts.jpg',
						'images/roll_nav_right-cubist.jpg',
						'images/roll_nav_right-figuratives.jpg',
						'images/roll_nav_right-jazz.jpg',
						'images/roll_nav_right-scapes.jpg');
}

window.onload = fnInit;