function changetxt(x)
{
var y=document.getElementById(x).value;


if (y=="")
{
document.getElementById(x).value="       --"+x+"--";
}
else
{
document.getElementById(x).value=y;
}

}



function validEmail(param,validmsg)

{
	if(param.value.match("(\\w[-._\\w]*\\w@\\w[-._\\w]*\\w\\.\\w{2,3})"))
	{
		return true;
	}
	alert(validmsg + ": " +param.value);
	param.scrollIntoView();
	param.focus();
	param.select();
	return false;
}


function sectionfocus(param){
	document.getElementById(param).scrollIntoView();
	
}

function gotoSection(param){
	var section = document.getElementById(param).value;
	if (section!=""){
	document.getElementById(section).scrollIntoView();
	}
}


function ClearForm(id){
	document.getElementById(id).reset();
	return false;
}


function TrySubmit(email,email_msg){
	
	if (email.value=="")
	{
		alert(email_msg);
		email.scrollIntoView();
		email.focus();
		email.select();
		return false;
	}

	else if(!(validEmail(email,email_msg)))
		return false;

	else return true;
}

function trySignIn(user, pass){
	
	if ((user.value=="")||(pass.value==""))
	{
		alert("Please enter username or password");
		user.focus();
	return false;
	}

	
	else return true;
}


function txtover(x){
	document.getElementById(x).style.color='#FF198E';
}

function txtout(x){
	document.getElementById(x).style.color='#7F7F7F';
	
}


function shownext(x,y){
document.getElementById(x).style.visibility = "hidden";
document.getElementById(y).style.visibility = "visible";
	
}
function showprevious(x,y){
document.getElementById(x).style.visibility = "hidden";
document.getElementById(y).style.visibility = "visible";
	
}


function popup(mylink, windowname)
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
   href=mylink;
else
   href=mylink.href;
   window.open(href, windowname, 'width=500,height=250');
return false;
}

var slideimages=new Array()
var slidelinks=new Array()
function slideshowimages(){
for (i=0;i<slideshowimages.arguments.length;i++){
slideimages[i]=new Image()
slideimages[i].src=slideshowimages.arguments[i]
}
}

function slideshowlinks(){
for (i=0;i<slideshowlinks.arguments.length;i++)
slidelinks[i]=slideshowlinks.arguments[i]
}

function gotoshow(){
if (!window.winslide||winslide.closed)
winslide=window.open(slidelinks[whichlink])
else
winslide.location=slidelinks[whichlink]
winslide.focus()
}