function SmoothTransition(pos) 
	{
		pos *= 2; 
		if (pos<1)
			position = (pos*pos*pos)/2;
		else
			position = ((pos-2)*(pos-2)*(pos-2)/2)+1;
			
		return position;	
	}	
	
	function Set_Cookie( name, value, expires, path, domain, secure ) 
    {
        // set time, it's in milliseconds
        var today = new Date();
        today.setTime( today.getTime() );

        /*
        if the expires variable is set, make the correct 
        expires time, the current script below will set 
        it for x number of days, to make it for hours, 
        delete * 24, for minutes, delete * 60 * 24
        */
        if ( expires )
        {
        expires = expires * 1000 * 60 * 60 * 24;
        }
        var expires_date = new Date( today.getTime() + (expires) );

        document.cookie = name + "=" +escape( value ) +
        ( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
        ( ( path ) ? ";path=" + path : "" ) + 
        ( ( domain ) ? ";domain=" + domain : "" ) +
        ( ( secure ) ? ";secure" : "" );
    }
    
    function changeImage(img, url)
    {
		$get(img).src=url;
    }
    
    function changeText(label,text)
    {        
        $get(label).innerHTML  = text;
    }
    function changeValue(input,text)
    {        
        $get(input).value  = text;
    }
    function changeHref(anchor,url)
    {
        if (url != null && url != "")
        {
            $get(anchor).href = url;
            $get(anchor).target = "_blank";
        }
        else
        {
            $get(anchor).href = "#";
            $get(anchor).target = "_self";
        }
    }