/* Subscription Form Javascript */
function clearText(thefield){
if (thefield.defaultValue==thefield.value)
thefield.value = ""
}

function defaultText(thefield){
 if (thefield.value=="")
 thefield.value = thefield.defaultValue
}  

function emailcheck(cur)
{
var string1=cur.email.value
if (string1.indexOf("@")==-1)
{
alert("Please input a valid email address!")
return false
}
}

function confirmsubsdelete(url,email) {
	var retval = confirm("Do you really want to unsubscribe \"" + email + "\" from Palisade?");
	if (retval) {
           window.location=url;
        } else {
        }
        return false;
}

function confirmfeedbackdelete(url,email) {
	var retval = confirm("Do you really want to remove the feedback comment from \"" + email + "\" ?");
	if (retval) {
           window.location=url;
        } else {
        }
        return false;
}

// Nifty Rounded Corners Functions
function NiftyCheck()
{
if(!document.getElementById || !document.createElement)
    return(false);
var b=navigator.userAgent.toLowerCase();
if(b.indexOf("msie 5")>0 && b.indexOf("opera")==-1)
    return(false);
return(true);
}

function Rounded(selector,bk,color,size){
var i;
var v=getElementsBySelector(selector);
var l=v.length;
for(i=0;i<l;i++){
    AddTop(v[i],bk,color,size);
    AddBottom(v[i],bk,color,size);
    }
}

function RoundedTop(selector,bk,color,size){
var i;
var v=getElementsBySelector(selector);
for(i=0;i<v.length;i++)
    AddTop(v[i],bk,color,size);
}

function RoundedBottom(selector,bk,color,size){
var i;
var v=getElementsBySelector(selector);
for(i=0;i<v.length;i++)
    AddBottom(v[i],bk,color,size);
}

function AddTop(el,bk,color,size){
var i;
var d=document.createElement("b");
var cn="r";
var lim=4;
if(size && size=="small"){ cn="rs"; lim=2}
d.className="rtop";
d.style.backgroundColor=bk;
for(i=1;i<=lim;i++){
    var x=document.createElement("b");
    x.className=cn + i;
    x.style.backgroundColor=color;
    d.appendChild(x);
    }
el.insertBefore(d,el.firstChild);
}

function AddBottom(el,bk,color,size){
var i;
var d=document.createElement("b");
var cn="r";
var lim=4;
if(size && size=="small"){ cn="rs"; lim=2}
d.className="rbottom";
d.style.backgroundColor=bk;
for(i=lim;i>0;i--){
    var x=document.createElement("b");
    x.className=cn + i;
    x.style.backgroundColor=color;
    d.appendChild(x);
    }
el.appendChild(d,el.firstChild);
}

function getElementsBySelector(selector){
var i;
var s=[];
var selid="";
var selclass="";
var tag=selector;
var objlist=[];
if(selector.indexOf(" ")>0){  //descendant selector like "tag#id tag"
    s=selector.split(" ");
    var fs=s[0].split("#");
    if(fs.length==1) return(objlist);
    return(document.getElementById(fs[1]).getElementsByTagName(s[1]));
    }
if(selector.indexOf("#")>0){ //id selector like "tag#id"
    s=selector.split("#");
    tag=s[0];
    selid=s[1];
    }
if(selid!=""){
    objlist.push(document.getElementById(selid));
    return(objlist);
    }
if(selector.indexOf(".")>0){  //class selector like "tag.class"
    s=selector.split(".");
    tag=s[0];
    selclass=s[1];
    }
var v=document.getElementsByTagName(tag);  // tag selector like "tag"
if(selclass=="")
    return(v);
for(i=0;i<v.length;i++){
    if(v[i].className==selclass){
        objlist.push(v[i]);
        }
    }
return(objlist);
}

/* Show or Hide Quiz divs */
function hidediv(ref){
	var show = "none";
	var regexvar = /comment/;
	var thelink = document.URL;
	if (thelink.match(regexvar)) {
		show = "";
	}
    document.getElementById(ref).style.display = show;
}

function showdiv(ref){
	if (document.getElementById(ref).style.display == ""){
		show = "none";
	} else {
		show = "";
	}
	var regexvar = /comment/;
	var thelink = document.URL;
	if (thelink.match(regexvar)) {
		show = "";
	}
	document.getElementById(ref).style.display = show;
}