function change(site1,i1,site2,i2)
 {
  parent.frames[i1].location.href=site1;
  parent.frames[i2].location.href=site2;
 }
 
function change3(site1,i1,site2,i2,site3,i3)
 {
  parent.frames[i1].location.href=site1;
  parent.frames[i2].location.href=site2;
  parent.frames[i3].location.href=site3;
 } 

function chkFormular()
 {
 var person=true;
 var email=true;

 if((document.form1.name.value == "")||(document.form1.ort.value == "")||
      (document.form1.strasze.value == ""))
  {
   document.form1.name.focus();
   person = false;
  }
 if(document.form1.email.value == "")
  {
   document.form1.email.focus();
   email = false;
  }
 if( (person != true) && (email != true) )
  {
   alert("Ihre Angaben sind unzureichend!");
   document.form1.name.focus();
   return false;
  }
  else
  {
   return true;
  }
 }

function WindowOpen(datei,name,attribute) {
 MeinFenster = window.open(datei,name,attribute);
 MeinFenster.focus();
}

function WindowClose(name) {
 MeinFenster = window.close(name);
}

function WindowResize(xsize,ysize) {
 self.resizeTo(xsize,ysize);
}