//Include this in the file you want this javascript to be accessible in...
//
//<script type="text/javascript" src="eyeassoc.js">
//</script>
//
//end copying above...
function showhide(id, action) {
    if (action == 'show') {
        document.getElementById(id).style.display = 'block';
    }
    if (action == 'hide') {
        document.getElementById(id).style.display = 'none';
    }
}

function hideadvanced() {
    var divs = document.getElementsByTagName('div');
    
    for (var i=0;i<divs.length;i++){
        if (divs[i].id.indexOf('_Adv_', 0) > -1) {
            divs[i].style.display = 'none';
        } 
    }
}
function showadvanced() {
    var divs = document.getElementsByTagName('div');
    for (var i = 0; i < divs.length; i++) {
        if (divs[i].id.indexOf('_Adv_', 0) > -1) {
            divs[i].style.display = 'block';
        }
    }
}

function checkEmptyPage() {
    
    frmLength = document.form1.length;
    isEmpty = true;
    for (var i = 0; i < frmLength; i++) {
        
        if (document.form1.elements[i].type == "text"){
            if (document.form1.elements[i].value.length != 0) {
                isEmpty = false;
           }  
        }
        if (document.form1.elements[i].type == "select-one") {
            if (document.form1.elements[i].selectedIndex != 0) {
                isEmpty = false;
            }
        }
    }
    if (isEmpty) {
        alert('You must enter at least one value.');
        return false;
    }
    else {
        //showhide('tblSearchDesc', 'hide')
        document.getElementById('pnlIntermediate').innerHTML = '<img alt="rotating progress" src="images/searchprogress.gif"/>  Search in progress...<br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/>';
        showhide('pnlSearch', 'hide');
        return true;
    }
}