function on(kep) {
	kepBe = eval(kep + "_on.src");
	document [kep].src = kepBe;
}


function off(kep,ikon) {
	kepKi = eval(kep + "_off.src");
	document [kep].src = kepKi;
}


function ow(file,wid,hei,bars,resiz,status) {
   xpos = (750-wid)/2;
// ypos = ((window.screen.height-hei)/2)-100;
   ypos = 100;
   window1=window.open(''+file+'',"MG",'scrollbars='+bars+',resizable='+resiz+',width='+wid+',height='+hei+',left='+xpos+',top='+ypos+',screenx='+xpos+',screeny='+ypos+',status='+status+'');
   window1.focus()
}