function checkForm(frm) {
   if(!textOK(frm)) return false;
   if(!selectOK(frm)) return false;
   return true;
}

function textOK(frm){
	var a=textArray;
	for(var i=0; i<a.length; i++){
      if(eval("frm."+a[i]+".value.length")<2) {
         alert("Please, fill required field '" + a[i] + "'.");
         return false;
      }
	}
	return true;
}

function selectOK(frm) {
	var a=selectArray;
	for(var i=0; i<a.length; i++){
      if(eval("frm."+a[i]+".selectedIndex")==0) {
         alert("Please, choose option for '" + a[i] + "'.");
         return false;
      }
	}
	return true;
}