function top_box()
{
document.write("<img src='img/bg_top_02.jpg' border='0' usemap='#Map'>");
document.write("<map name='Map' id='Map'>");
document.write("<area shape='rect' coords='20,20,270,120' href='index.html' />");
document.write("<area shape='rect' coords='300,20,440,100' href='00_aktualnosci.html' />");
document.write("<area shape='rect' coords='460,20,600,100' href='00_sukcesy.html' />");
document.write("<area shape='rect' coords='620,20,760,100' href='00_kursy.html' /></map>");
}	

var win = null;

function NewWindow(mypage,myname,w,h,scroll)
{
LeftPosition = (screen.width) ? (screen.width-w)/2 +20 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 +20 : 0;
settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'

win = window.open(mypage,myname,settings)

}