function displayFields()
{
    if(document.frmReview.txtComments.value=="Click here to leave your opinion...")
    {
        document.frmReview.txtComments.value="";
    }
    document.getElementById("infoPanel1").style.display="block";
    document.getElementById("infoPanel2").style.display="block";
    document.frmReview.txtComments.style.height="99px";
}
function submitCheck()
{
    document.getElementById("errMsg").style.display = "none";
    var errMsg = "";
    if(document.frmReview.txtName.value.length==0)
    {
        errMsg = errMsg + "<li>Please enter your <b>name</b>.</li>"
    }
    
    if(document.frmReview.txtSubject.value.length == 0)
    {
        errMsg = errMsg + "<li>Please enter the <b>subject</b>.</li>"
    }
    
    if(document.frmReview.txtComments.value.length == 0)
    {
        errMsg = errMsg + "<li>Please enter your <b>opinion</b>.</li>"
    }
    
    if(document.frmReview.txtComments.value.length > 3000)
    {
        errMsg = errMsg + "<li>Sorry, you can only enter <b>3,000</b> characters max.</li>"
    }
    
    if(document.frmReview.txtComments.value.indexOf("</a>") > -1)
    {
        errMsg = errMsg + "<li>HTML tag is NOT allowed.</li>"
    }

    if (document.frmReview.txtCaptcha.value.length == 0) {
    	errMsg = errMsg + "<li>Please enter the <b>verification number</b>.</li>"
    }

    if(errMsg != "")
    {
        document.getElementById("errMsg").innerHTML = "<b>Ooops!</b><ol>" + errMsg + "</ol>";
        document.getElementById("errMsg").style.display = "block";
        return false;
    }
    else
    {   
        return true;
     }
 }
function S4(){
return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1);
}
function guid(){
return (S4() + S4() + S4());
}
function refreshCaptcha(){
	//alert("aa");
document.getElementById("imgCaptcha").setAttribute("src", "/captcha.ashx?" + guid());
}