function fonload(){
    showtestvar();
    clipareainitpage();   
}

function showtestvar() {
 var hier = document.URL;
 var mycounter = 0;
 for (i=0;i<document.forms['mailform'].elements.length;i++){
    if (document.forms['mailform'].elements[i].name == "instrname"){
        mycounter = i - 1;
    }
 }
 if (hier.indexOf("datastart")>0){
     parameterzeile = hier.substr(hier.indexOf("datastart")+10);
     var trennpos
     var endpos
     var paramname
     var paramwert
     while (parameterzeile != "") {
      trennpos = parameterzeile.indexOf("=")           
      endpos = parameterzeile.indexOf("&")
      mycounter = mycounter + 1;
      if (endpos < 0) { endpos = 500000 }
      paramname = parameterzeile.substr(0,trennpos)
      paramwert = parameterzeile.substring(trennpos+1,endpos)
        document.forms['mailform'].elements[mycounter].value = unescape(paramwert);
        document.forms['mailform'].elements[mycounter].disabled = false;
        document.forms['mailform'].elements[mycounter].style.borderStyle="none";
        document.forms['mailform'].elements[mycounter].style.marginTop = "2";               
      eval (paramname + " = \"" + paramwert + "\"")
      parameterzeile = parameterzeile.substr(endpos+1)
     }
  } else {
    for (i=2;i<10;i++){
        document.forms['mailform'].elements[i].disabled = false;
        document.forms['mailform'].elements[i].style.borderStyle="1px dotted black";
    }
  }

}