/* Opacity Displayer, Version 1.0 Copyright Michael Lovitt, 6/2002. Distribute freely, but please leave this notice intact. */
// global variables
var browserVersion = browser.versionMinor;
var pngCap = false;
// if IE5.5+ on win32, then display PNGs with AlphaImageLoader
if ((browser.isIE55 || browser.isIE6up) && browser.isWin32) {
	var pngAlpha = true;
	var strExt = ".png";
} else if ((browser.isGecko) || (browser.isIE5up && browser.isMac) || (browser.isOpera && browser.isWin && browser.versionMajor >= 6) || (browser.isOpera && browser.isUnix && browser.versionMajor >= 6) || (browser.isOpera && browser.isMac && browser.versionMajor >= 5) || (browser.isOmniweb && browser.versionMinor >= 3.1) || (browser.isIcab && browser.versionMinor >= 1.9) || (browser.isWebtv) || (browser.isDreamcast)) {
	var pngNormal = true;
	pngCap = true;
	var strExt = ".png";
} else {
	var strExt = ".gif";
}
// OPACITY OBJECT Instantiates the object, defines the properties and methods.
function OpacityObject(divId, strPath) {
	this.id = divId;
	this.path = strPath;
	if (!browser.isNS){
		if (browserVersion>=5) { this.layerObject = document.getElementById(divId).style; }
		else { this.layerObject = eval("document."+divId); }
	} else { this.layerObject = eval(divId + ".style"); }
	this.setBackground = od_object_setBackground;
}
// Uses AlphaImageLoader filter, or the css background property,
// as appropriate, to apply a PNG or GIF as the background of the layerObject.
function od_object_setBackground() {
	if (pngAlpha) {this.layerObject.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+this.path+".png', sizingMethod='scale')"; }
	else if (pngNormal) { this.layerObject.backgroundImage = 'url('+this.path+'.png)'; }
	else { this.layerObject.backgroundImage = 'url('+this.path+'.gif)'; }
}
// OPACITY DISPLAY FUNCTION
// Outputs the image as a div with the AlphaImageLoader, or with
// a standard image tag.
function od_displayImage(strId, strPath, intWidth, intHeight, strClass, strAlt) {
	if (pngAlpha) {
		document.write('<div style="height:'+intHeight+'px;width:'+intWidth+'px;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\''+strPath+'.png\', sizingMethod=\'scale\')" id="'+strId+'" class="'+strClass+'"></div>');
	} else if (pngNormal) {
		document.write('<img src="'+strPath+'.png" width="'+intWidth+'" height="'+intHeight+'" name="'+strId+'" border="0" class="'+strClass+'" alt="'+strAlt+'" />');
	} else {
		document.write('<img src="'+strPath+'.gif" width="'+intWidth+'" height="'+intHeight+'" name="'+strId+'" border="0" class="'+strClass+'" alt="'+strAlt+'" />');
	}
}
// OPACITY ROLL-OVER FUNCTIONS
function od_rollOver(strId, strColor) {
	if (pngAlpha) { document.getElementById(strId).style.backgroundColor = strColor; }
	else {  if (document.images && (flag == true)) { document[strId].src = eval(strId + "on.src"); } }
}
function od_rollOut(strId, strColor) {
	if (pngAlpha) { document.getElementById(strId).style.backgroundColor = strColor; }
	else { if (document.images) { document[strId].src = eval(strId + "off.src"); } }
}