function ow(link,szer,wys)
{
	var okno=window.open(link,'okno','width='+szer+',height='+wys);

	//okno.resizeTo(x+xp,y+yp);
	okno.moveTo((screen.availWidth-szer)/2,(screen.availHeight-wys)/2);
	okno.focus();
}

function login()
{
	ow('login.php',300,200);
}

function pokaz(url)
{
	x_res = 100;
	y_res = 100;

	xshift = 60;
	yshift = 72;

	if (x_res>(screen.availWidth-20))
	{
		x_res=screen.availWidth-20;
		xshift = 0;
	}

	if (y_res>(screen.availHeight-20))
	{
		y_res=screen.availHeight-20;
		yshift = 0;
	}

	xres=xshift+parseInt(x_res);
	yres=yshift+parseInt(y_res);

	adr = 'pokaz.php?url='+url;

	win1 = window.open(adr,'','width=200,height=100,scrollbars=no,resizable=yes');
//	win1.resizeTo(xres,yres);
	win1.moveTo(screen.availWidth/2-(xres)/2,screen.availHeight/2-(yres)/2);
//	win1.focus();

}