<!--
/* Script by: www.jtricks.com
 * Version: 20060303
 * Latest version:
 * www.jtricks.com/javascript/navigation/floating.html
 */
var target_y;
var target_x;
var has_inner;
var fm_id;
var has_element;
var floating_menu;

var fm_shift_x, fm_shift_y, fm_next_x, fm_next_y;

function setVars (tx,ty,fmi,hi,he,fm) {
	target_x = tx;
	target_y = ty;
	has_inner = hi;
	fm_id = fmi;
	has_element = he;
	floating_menu = fm;
}
function getvars(){
	if (window.innerHeight <= 600){
		target_y=0;
	}
	else{
		target_y=-515;
	}
	
	target_x = 0;
	
	has_inner = typeof(window.innerWidth) == 'number';
	has_element = document.documentElement && document.documentElement.clientWidth;
	
	fm_id='tardisC';
	floating_menu =
		document.getElementById
		? document.getElementById(fm_id)
		: document.all
		  ? document.all[fm_id]
		  : document.layers[fm_id];
	
}
function move_menu()
{
    if (document.layers)
    {
        floating_menu.left = fm_next_x;
        floating_menu.top = fm_next_y;
    }
    else
    {
        floating_menu.style.left = fm_next_x + 'px';
        floating_menu.style.top = fm_next_y + 'px';
    }
}
function compute_shifts()
{
    fm_shift_x = has_inner
        ? pageXOffset
        : has_element
          ? document.documentElement.scrollLeft
          : document.body.scrollLeft;
    if (target_x < 0)
        fm_shift_x += has_inner
            ? window.innerWidth
            : has_element
              ? document.documentElement.clientWidth
              : document.body.clientWidth;

    fm_shift_y = has_inner
        ? pageYOffset
        : has_element
          ? document.documentElement.scrollTop
          : document.body.scrollTop;
    if (target_y < 0)
        fm_shift_y += has_inner
            ? window.innerHeight
            : has_element
              ? document.documentElement.clientHeight
              : document.body.clientHeight;
}
function float_menu()
{
    var step_x, step_y;

    compute_shifts();

    step_x = (fm_shift_x + target_x - fm_next_x) * .07;
    if (Math.abs(step_x) < .5)
        step_x = fm_shift_x + target_x - fm_next_x;

    step_y = (fm_shift_y + target_y - fm_next_y) * .07;
    if (Math.abs(step_y) < .5)
        step_y = fm_shift_y + target_y - fm_next_y;

    if (Math.abs(step_x) > 0 ||
        Math.abs(step_y) > 0)
    {
        fm_next_x += step_x;
        fm_next_y += step_y;
        move_menu();
    }

    setTimeout('float_menu()', 20);
};
//compute_shifts();
function fm(){
	if (document.layers)
	{
		// Netscape 4 cannot perform init move
		// when the page loads.
		fm_next_x = 0;
		fm_next_y = 0;
	}
	else
	{
		fm_next_x = fm_shift_x + target_x;
		fm_next_y = fm_shift_y + target_y;
		move_menu();
	}
}