function chkFormular(){

        var thisform, i, j, thisfield;
        var formanzahl = document.forms.length;
        for(i=0; i<document.forms.length; i++){
                 thisform = document.forms[i];
                 for(j=0; j<thisform.length; j++){
                         thisfield = thisform[j].value;
                         while(thisfield.indexOf('"') != -1){
                                 thisfield = thisfield.replace(/\"/, "&quot;");
                         }
                         while(thisfield.indexOf("'") != -1){
                                 thisfield = thisfield.replace(/\'/, "&\#039;");
                         }
                         while(thisfield.indexOf("<") != -1){
                                 thisfield = thisfield.replace(/\</, "&lt;");
                         }
                         while(thisfield.indexOf(">") != -1){
                                 thisfield = thisfield.replace(/\>/, "&gt;");
                         }
                         thisform[j].value = thisfield;
                 }
         }
         return true;
}