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Thread: what is this code function ?

  1. #1
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    Question what is this code function ?

    Can you tell me ?
    i would like to know what is function of this code.

    Thanks
    Code:
    <script type="text/javascript">
    <!--
    /***********************************************
    * Show Hint script- ? Dynamic Drive (www.dynamicdrive.com)
    * This notice MUST stay intact for legal use
    * Visit http://www.dynamicdrive.com/ for this script and 100s more.
    ***********************************************/
    		
    var horizontal_offset="10px" //horizontal offset of hint box from anchor link
    
    /////No further editting needed
    
    var vertical_offset="0" //horizontal offset of hint box from anchor link. No need to change.
    var ie=document.all
    var ns6=document.getElementById&&!document.all
    
    function getposOffset(what, offsettype){
    var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
    var parentEl=what.offsetParent;
    while (parentEl!=null){
    totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
    parentEl=parentEl.offsetParent;
    }
    return totaloffset;
    }
    
    function iecompattest(){
    return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
    }
    
    function clearbrowseredge(obj, whichedge){
    var edgeoffset=(whichedge=="rightedge")? parseInt(horizontal_offset)*-1 : parseInt(vertical_offset)*-1
    if (whichedge=="rightedge"){
    var windowedge=ie && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-30 : window.pageXOffset+window.innerWidth-40
    dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
    if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
    edgeoffset=dropmenuobj.contentmeasure+obj.offsetWidth+parseInt(horizontal_offset)
    }
    else{
    var windowedge=ie && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
    dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
    if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure)
    edgeoffset=dropmenuobj.contentmeasure-obj.offsetHeight
    }
    return edgeoffset
    }
    
    function showhint(menucontents, obj, e, tipwidth){
    if ((ie||ns6) && document.getElementById("hintbox")){
    dropmenuobj=document.getElementById("hintbox")
    dropmenuobj.innerHTML=menucontents
    dropmenuobj.style.left=dropmenuobj.style.top=-500
    if (tipwidth!=""){
    dropmenuobj.widthobj=dropmenuobj.style
    dropmenuobj.widthobj.width=tipwidth
    }
    dropmenuobj.x=getposOffset(obj, "left")
    dropmenuobj.y=getposOffset(obj, "top")
    dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+obj.offsetWidth+"px"
    dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+"px"
    dropmenuobj.style.visibility="visible"
    obj.onmouseout=hidetip
    }
    }
    
    function hidetip(e){
    dropmenuobj.style.visibility="hidden"
    dropmenuobj.style.left="-500px"
    }
    
    function createhintbox(){
    var divblock=document.createElement("div")
    divblock.setAttribute("id", "hintbox")
    document.body.appendChild(divblock)
    }
    
    if (window.addEventListener)
    window.addEventListener("load", createhintbox, false)
    else if (window.attachEvent)
    window.attachEvent("onload", createhintbox)
    else if (document.getElementById)
    window.onload=createhintbox
    
    function MM_openBrWindow(theURL,winName,features) { //v2.0
      window.open(theURL,winName,features);
    }
    //-->
    Thank you in advance.
    Last edited by Beverleyh; 08-26-2015 at 11:57 AM. Reason: formatting

  2. #2
    Join Date
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    Portsmouth, UK
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    Default

    Description: "Show Hint" script displays an attractive hint box containing additional explanation on any item on your page. A hint box pops up next to the item when the mouse moves over it with relevant hints or useful information. A classic use of "Show Hint" is with your form fields, to better explain to the user how to fill them out.
    see http://www.dynamicdrive.com/dynamicindex16/showhint.htm
    Vic
    God Loves You and will never love you less.
    http://www.vicsjavascripts.org/Home.htm
    If my post has been useful please donate to http://www.operationsmile.org.uk/

  3. #3
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    Default

    Thank you

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