### Beispiel - Datei dhtml.js:

    /* DHTML-Bibliothek */

    var DHTML = 0, DOM = 0, MS = 0, NS = 0, OP = 0;

    function DHTML_init() {

     if (window.opera) {
         OP = 1;
     }
     if(document.getElementById) {
       DHTML = 1;
       DOM = 1;
     }
     if(document.all && !OP) {
       DHTML = 1;
       MS = 1;
     }
    if(document.layers && !OP) {
       DHTML = 1;
       NS = 1;
     }
    }

    function getElem(p1,p2,p3) {
     var Elem;
     if(DOM) {
       if(p1.toLowerCase()=="id") {
         if (typeof document.getElementById(p2) == "object")
         Elem = document.getElementById(p2);
         else Elem = void(0);
         return(Elem);
       }
       else if(p1.toLowerCase()=="name") {
         if (typeof document.getElementsByName(p2) == "object")
         Elem = document.getElementsByName(p2)[p3];
         else Elem = void(0);
         return(Elem);
       }
       else if(p1.toLowerCase()=="tagname") {
         if (typeof document.getElementsByTagName(p2) == "object" || (OP && typeof document.getElementsByTagName(p2) == "function"))
         Elem = document.getElementsByTagName(p2)[p3];
         else Elem = void(0);
         return(Elem);
       }
       else return void(0);
     }
     else if(MS) {
       if(p1.toLowerCase()=="id") {
         if (typeof document.all[p2] == "object")
         Elem = document.all[p2];
         else Elem = void(0);
         return(Elem);
       }
       else if(p1.toLowerCase()=="tagname") {
         if (typeof document.all.tags(p2) == "object")
         Elem = document.all.tags(p2)[p3];
         else Elem = void(0);
         return(Elem);
       }
       else if(p1.toLowerCase()=="name") {
         if (typeof document[p2] == "object")
         Elem = document[p2];
         else Elem = void(0);
         return(Elem);
       }
       else return void(0);
     }
     else if(NS) {
       if(p1.toLowerCase()=="id" || p1.toLowerCase()=="name") {
       if (typeof document[p2] == "object")
         Elem = document[p2];
         else Elem = void(0);
         return(Elem);
       }
       else if(p1.toLowerCase()=="index") {
        if (typeof document.layers[p2] == "object")
         Elem = document.layers[p2];
        else Elem = void(0);
         return(Elem);
       }
       else return void(0);
     }
    }

    function getCont(p1,p2,p3) {
       var Cont;
       if(DOM && getElem(p1,p2,p3) && getElem(p1,p2,p3).firstChild) {
         if(getElem(p1,p2,p3).firstChild.nodeType == 3)
           Cont = getElem(p1,p2,p3).firstChild.nodeValue;
         else
           Cont = "";
         return(Cont);
       }
       else if(MS && getElem(p1,p2,p3)) {
         Cont = getElem(p1,p2,p3).innerText;
         return(Cont);
       }
       else return void(0);
    }

    function getAttr(p1,p2,p3,p4) {
       var Attr;
       if((DOM || MS) && getElem(p1,p2,p3)) {
         Attr = getElem(p1,p2,p3).getAttribute(p4);
         return(Attr);
       }
       else if (NS && getElem(p1,p2)) {
           if (typeof getElem(p1,p2)[p3] == "object")
            Attr=getElem(p1,p2)[p3][p4]
           else
            Attr=getElem(p1,p2)[p4]
             return Attr;
           }
       else return void(0);
    }

    function setCont(p1,p2,p3,p4) {
       if(DOM && getElem(p1,p2,p3) && getElem(p1,p2,p3).firstChild)
         getElem(p1,p2,p3).firstChild.nodeValue = p4;
       else if(MS && getElem(p1,p2,p3))
         getElem(p1,p2,p3).innerText = p4;
       else if(NS && getElem(p1,p2,p3)) {
         getElem(p1,p2,p3).document.open();
         getElem(p1,p2,p3).document.write(p4);
         getElem(p1,p2,p3).document.close();
       }
    }

    DHTML_init();