<!--

function ValidateOrder(objFormId, chkNewsletterId, txtEmailId, strMewsletterEmailError, strNoCatalogueError, strMaxCatalogueError)
{
    var objForm = document.getElementById(objFormId);
    
    /* Validate Newsletter */
    var chkNewsletter = document.getElementById(chkNewsletterId);
    var txtEmail = document.getElementById(txtEmailId);
    var booNewsletterOk = true;
    var booCatalogueOk = false;
    var intCatalogueCount = 0;
    
    if(chkNewsletter)
    {
        if(chkNewsletter.checked)
        {
            booNewsletterOk = false;
            
            if(txtEmail)
            {
                if(txtEmail.value.length > 0)
                {
                    booNewsletterOk = true;
                }
            }
        }
    }
    if(!booNewsletterOk)
    {
        return 1;
    }
    
    /* Validate catalogue count */
    for(var i = 0; i < objForm.elements.length; i++)
    {
        if(objForm.elements[i].id.indexOf("chkOrder") > -1 || objForm.elements[i].id.indexOf("chkPreOrder") > -1)
        {
            if(objForm.elements[i].checked)
            {
                intCatalogueCount++;
                
                if(intCatalogueCount <= 3)
                {
                    booCatalogueOk = true;
                }
                else
                {
                    booCatalogueOk = false;
                }
            }
        }
    }
    
    if(!booCatalogueOk)
    {
        if(intCatalogueCount == 0)
        {
            //alert(strNoCatalogueError);
            return 2;
        }
        else
        {
            //alert(strMaxCatalogueError);
            return 3;
        }
    }
    
    return 0;
}

function is_numeric(val) {      
    for (i = 0; i < val.length; i++) {  
        if (val.charAt(i) < "0") {
            return false;
        }
        else if (val.charAt(i) > "9") {
            return false;
        }    
    } 
    return true;   
}

-->