if ( document.images)
{
	bt_closeOn = new Image;         
	bt_closeOn.src = "images/bt_closeOn.gif"; 
	bt_closeOff = new Image;
	bt_closeOff.src = "images/bt_closeOff.gif";
	bt_closePrs = new Image;
	bt_closePrs.src = "images/bt_closePrs.gif";

	bt_minOn = new Image;
	bt_minOn.src = "images/bt_minOn.gif";
	bt_minOff = new Image;
	bt_minOff.src = "images/bt_minOff.gif";
	bt_minPrs = new Image;
	bt_minPrs.src = "images/bt_minPrs.gif";

	bt_moreOn = new Image;
	bt_moreOn.src = "images/bt_moreOn.gif";
	bt_moreOff = new Image;
	bt_moreOff.src = "images/bt_moreOff.gif";
	bt_morePrs = new Image;
	bt_morePrs.src = "images/bt_morePrs.gif";

	bt_sendOn = new Image;
	bt_sendOn.src = "images/bt_sendOn.gif";
	bt_sendOff = new Image;
	bt_sendOff.src = "images/bt_sendOff.gif";
	bt_sendPrs = new Image;
	bt_sendPrs.src = "images/bt_sendPrs.gif";
}
else
{
	bt_closeOn = "";
	bt_closeOff = "";
	bt_closePrs = "";

	bt_minOn = "";
	bt_minOff = "";
	bt_minPrs = "";

	bt_moreOn = "";
	bt_moreOff = "";
	bt_morePrs = "";

	bt_sendOn = "";
	bt_sendOff = "";
	bt_sendPrs = "";
}

function imgOn(imgField,imgName)
{
	if ( document.images)
	{
		document[imgField].src = eval(imgName + "On.src");
	}
}

function imgOff(imgField,imgName)
{
	if ( document.images)
	{
		document[imgField].src = eval(imgName + "Off.src");
	}
}

function imgPrs(imgField,imgName)
{
	if ( document.images)
	{
		document[imgField].src = eval(imgName + "Prs.src");
	}
}

function DisplayOn(oInput,imgName)
{
	if ( document.images)
	{
		oInput.setAttribute("src", eval(imgName + "On.src"));
	}
}

function DisplayOff(oInput,imgName)
{
	if ( document.images)
	{
		oInput.setAttribute("src", eval(imgName + "Off.src"));
	}
}

function DisplayPrs(oInput,imgName)
{
	if ( document.images)
	{
		oInput.setAttribute("src", eval(imgName + "Prs.src"));
	}
}