//hover buttons

    //for download button
    var img=new Array();




function loadimages()
{
     img[1]="images/down_01.gif";
     img[2]="images/down_03.gif";
     img[3]="images/down_bkd.gif";

     img[4]="images/down_hover_01.gif";
     img[5]="images/down_hover_03.gif";
     img[6]="images/downhover_bkd.gif";

     img[7]="images/hover_bkd_01.jpg";
     img[8]="images/hover_bkd_03.jpg";
     img[9]="images/hover_bkd.jpg";

     img[10]="images/off_bkd_01.jpg";
     img[11]="images/down_hover_03.gif";
     img[12]="images/off_bkd.jpg";

     img[13]="images/preview_on.gif";

    for(intI=1;intI<=13;intI++)
    {
        document.write("<img src="+img[intI]+" style='display:none'>");
    }
}
document.onload =loadimages();

function fnHoverBtn(obj,intOverOut)
{

    if(intOverOut==1)
    {
        obj.parentNode.previousSibling.childNodes[0].src= img[7];
        obj.parentNode.nextSibling.childNodes[0].src = img[8];
        obj.parentNode.background = img[9];
    }
    else
    {
        obj.parentNode.previousSibling.childNodes[0].src=img[10];
        obj.parentNode.nextSibling.childNodes[0].src = img[11];
        obj.parentNode.background = img[12];
    }

}

function fnHoverDownBtn(obj,intOverOut)
{

    if(intOverOut==1)
    {
        obj.parentNode.previousSibling.childNodes[0].src= img[1];
        obj.parentNode.nextSibling.childNodes[0].src = img[2];
        obj.parentNode.background = img[3];
    }
    else
    {
        obj.parentNode.previousSibling.childNodes[0].src= img[4];
        obj.parentNode.nextSibling.childNodes[0].src =  img[5];
        obj.parentNode.background = img[6];
    }

}

function validateForm()
{
    objInput = document.getElementsByTagName("INPUT");
    var strMsg = "";
    for(intI=0;intI<=objInput.length-1;intI++)
    {
        if(objInput[intI].Required=="yes")
        {
            if(objInput[intI].value=="")
            {
                strMsg = strMsg +  objInput[intI].name.replace("fld","") + "\n";

            }
        }
    }
    if(strMsg != "")
    {
         alert("Following field(s) cannot be empty:\n" + strMsg);
         return false;
    }

    if(document.getElementsByTagName("fldAudiofile").value.search(".mp3")<=0 && document.getElementsByTagName("fldAudiofile").value.search(".wma")<=0)
    {
        alert('Please specify an audio file for the Audiofile field.');
        document.getElementsByTagName("fldAudiofile").focus();
        return false;
    }
}