nereidFadeObjects = new Object();
nereidFadeTimers = new Object();

/* object - image to be faded (actual object, not name);
 * destop - destination transparency level (ie 80, for mostly solid)
 * rate   - time in milliseconds between trasparency changes (best under 100)
 * delta  - amount of change each time (ie 5, for 5% change in transparency)
 */

function nereidFade(object, destOp, rate, delta){
if (!document.all)
return
    if (object != "[object]"){  //do this so I can take a string too
        setTimeout("nereidFade("+object+","+destOp+","+rate+","+delta+")",0);
        return;
    }
        
    clearTimeout(nereidFadeTimers[object.sourceIndex]);
    
    diff = destOp-object.filters.alpha.opacity;
    direction = 1;
    if (object.filters.alpha.opacity > destOp){
        direction = -1;
    }
    delta=Math.min(direction*diff,delta);
    object.filters.alpha.opacity+=direction*delta;

    if (object.filters.alpha.opacity != destOp){
        nereidFadeObjects[object.sourceIndex]=object;
        nereidFadeTimers[object.sourceIndex]=setTimeout("nereidFade(nereidFadeObjects["+object.sourceIndex+"],"+destOp+","+rate+","+delta+")",rate);
    }
}
/*Open a new window*/
function getbrowserwidth()


    {
    	if (navigator.userAgent.indexOf("MSIE") > 0)


        	{
        		return(document.body.clientWidth);
        	}
        else


            {
            		return window.outerWidth;
            	}
        }
        function getbrowserheight()


            {
            	if (navigator.userAgent.indexOf("MSIE") > 0)


                	{
                		return(document.body.clientHeight);
                	} 
                else


                    {
                    		return(window.outerHeight);
                    	}
                }
                var popup = new Object()
                function CenterPopup(URL, width, height)


                    {
                    	// get center of browser window
                    	var X = getbrowserwidth() / 2
                    	var Y = getbrowserheight() / 2
                    	
                    	popup = window.open(URL, 'PopUp', 
                    		'scrollbars=no ' +
                    		'width=' + width + ' ' +
                    		'height=' + height + ' ' +
                    		'top=' + (window.screenTop + (Y - (height/2))) + ' ' +
                    		'left=' + (window.screenLeft + (X - (width/2))) 
                    		)
                    	
                    	popup.focus()
                }