function openWin(page){
newWin=window.open(page,'prevWin')
newWin.focus()
}

function subForm(fname,numfields){
var x=document.getElementById(fname);
for (var i=0;i<numfields;i++)
  {
  if(x.elements[i].value.length<1){
	  alert('Попълнете всички полета');
	  return false;
  }
 }
x.submit();
}

function openCovWin(page,ww,hh){
newCWin=window.open(page,'prevCWin','width='+ww+',height='+hh+',menubar=no,resizable=no,scrollbars=no,status=no,toolbar=no')
newCWin.focus()
}

var parWindow=1;