function showDetail(obsah,width,height) {
	okno=window.open(obsah,'detail','scrollbars=no,resizable=yes,resize=yes,width='+width+',height='+height+',screenX='+getCenterW(width)+',screenY='+getCenterH(height)+',top='+getCenterH(height)+',left='+getCenterW(width));
	okno.focus();
}
function getCenterW(width) {
	return parseInt( eval( (screen.width-parseInt(width))/2 ) );
}
function getCenterH(height) {
	return parseInt( eval( (screen.height-parseInt(height))/2 ) ); 
}

// Formulář poptávka-na-instalaci.php
window.onload = poptavkaform;   
function poptavkaform(){  
	var sel = document.forms[0].typ;
	var typ = sel.options[sel.selectedIndex].value;  
  if(typ == 'instalace objektu') {
        document.getElementById('instalace').style.display = 'table-row';
        document.getElementById('objekt').style.display = 'table-row';
				document.getElementById('montaz').style.display = 'none';
      }
      else if(typ == 'instalace vozu') {
				document.getElementById('instalace').style.display = 'none';
				document.getElementById('objekt').style.display = 'none';      
        document.getElementById('montaz').style.display = 'table-row';
      }

}