/*--
function roll(img_name2, img_src2)
   {
   document[img_name2].src = img_src2;
   }
--*/
var selectedThumbDivId = "arrowimage1";
   
   
function thumbClick(img_name2, img_src2, thisArrow)
   {
	
   selectedThumbDivId = thisArrow;
   document[img_name2].src = img_src2;
   
   }
   
/*
function SetOpacity(elemId, opacityAsDecimal)
{
	var elem = document.getElementById(elemId);
	elem.style.opacity = opacityAsDecimal;
	
}
*/

function OnThumbMouseOver(thisArrow){
	if(thisArrow != selectedThumbDivId){
		document[thisArrow].src = "images/thumbarrow.png";
	}else{
		return;
	}
}


function OnThumbMouseOut(thisArrow){
	if(thisArrow != selectedThumbDivId){
		document[thisArrow].src = "images/thumbarrowblank.png";
	}else{
		document[thisArrow].src = "images/thumbarrowfill.png";
	}
}


function arrowImage(arrowName){

	var arrows = ['arrowimage1', 'arrowimage2', 'arrowimage3', 'arrowimage4', 'arrowimage5'];
	
	for (var i=0; i < arrows.length; i++){
		
		var imageName = arrows[i];

		if (imageName == arrowName){
			document[imageName].src = "images/thumbarrowfill.png";
		}
		else {
			document[imageName].src = "images/thumbarrowblank.png";
		}
	}
}


/*
function OnThumbMouseOut(thumbId)
{
	if(thumbId != selectedThumbDivId)
	{
		SetOpacity(thumbId, 0.8);
	}
}
*/