function enterSite()
{
    width = 800;
    height= 600;
    swidth = ((screen.width/2)-(width/2));
    sheight = ((screen.height/2)-(height/2));

	newWin = window.open('flash.html' ,'zentech','width='+ width +',height='+ height +',screenY='+ sheight +',screenX='+ swidth +',top=' + sheight + ',left=' + swidth + ',resizeable=no,scrollbars=no');

    newWin.focus();
}