//Pre-load Button
if (Image){
	// Calendar App Images
	var januaryOver = new Image(30,22);
	januaryOver = "months_pics/januaryRollOver.gif";
	var februaryOver = new Image(30,22);
	februaryOver = "months_pics/februaryRollOver.gif";
	var marchOver = new Image(30,22);
	marchOver = "months_pics/marchRollOver.gif";
	var aprilOver = new Image(30,22);
	aprilOver = "months_pics/aprilRollOver.gif";
	var mayOver = new Image(30,22);
	mayOver = "months_pics/mayRollOver.gif";
	var juneOver = new Image(30,22);
	juneOver = "months_pics/juneRollOver.gif";
	var julyOver = new Image(30,22);
	julyOver = "months_pics/julyRollOver.gif";
	var augustOver = new Image(30,22);
	augustOver = "months_pics/augustRollOver.gif";
	var septemberOver = new Image(30,22);
	septemberOver = "months_pics/septemberRollOver.gif";
	var octoberOver = new Image(30,22);
	octoberOver = "months_pics/octoberRollOver.gif";
	var novemberOver = new Image(30,22);
	novemberOver = "months_pics/novemberRollOver.gif";
	var decemberOver = new Image(30,22);
	decemberOver = "months_pics/decemberRollOver.gif";
	
}

//Roll-over
function findObj(n, d) { //v3.0
	var p,i,x;  if(!d) d=document;
	if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; 
		n=n.substring(0,p);
	}
  	if(!(x=d[n])&&d.all) 
		x=d.all[n]; 
	for (i=0;!x&&i<d.forms.length;i++) 
		x=d.forms[i][n];
  	for(i=0;!x&&d.layers&&i<d.layers.length;i++) 		
		x=findObj(n,d.layers[i].document); return x;
}

function rollover(){
	a=rollover.arguments; 
	if ((x=findObj(a[0]))!=null){
		if(!x.oSrc) 
			x.oSrc=x.src; 
		x.src=a[1];
	}
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  	if ((obj=findObj(args[i]))!=null) { 
		v=args[i+2];
    	if (obj.style) { 
			obj=obj.style; 
			v=(v=='show')?'visible':(v='hide')?'hidden':v; 
		}
    	obj.visibility=v; 
	}
}

function putMessage(error_message){
	alert(error_message);
	return false;	
}

function checkEmail(email){
	var email_string = email.value; 
	var at_position = email_string.indexOf('@'); 
	var dot_position = email_string.indexOf('.', at_position); 
	var extension = email_string.substring(dot_position+1,email_string.length); 
	
	if(at_position<0){
		return false; 
	} else if (dot_position<0){
		return false; 
	} else if (extension.length<=0){
		return false; 
	} 
	return true; 
}

function hasValue(obj, obj_type){
    if (obj_type == "TEXT" || obj_type == "PASSWORD"){
    	if (obj.value.length == 0) 
      		return false;
    	else 
      		return true;
    } else if (obj_type == "SINGLE_VALUE_RADIO" || obj_type == "SINGLE_VALUE_CHECKBOX") {
		if (obj.checked)
			return true;
		else
       		return false;	
	} else if (obj_type == "RADIO" || obj_type == "CHECKBOX") {
		for (i=0; i < obj.length; i++){
			if (obj[i].checked)
				return true;
		}
		return false;	
	} else  if (obj_type == "SELECT") {
		if (obj.selectedIndex == 0)
			return false;
		else
			return true;
	}
}

function hasValue2(obj1, obj2, obj3, obj4, obj5, obj6){
	var flag = 0;
	for (i=1; i < 7; i++){
		if (obj[i].checked)
			flag = i;
		}
	if (flag == 0)
		return false;
	else
		return true;
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

function loadBanner(){

        var time= new Date();
        hours= time.getHours();
        mins= time.getMinutes();
        secs= time.getSeconds();
        closeTime=hours*3600+mins*60+secs;
        closeTime+=4;	/* Aumenta la velocita' */
        Timer();

}

function Timer(){
        var time= new Date();
        hours= time.getHours();
        mins= time.getMinutes();
        secs= time.getSeconds();
        curTime=hours*3600+mins*60+secs
        if (curTime>=closeTime){
		if (i < 4){
			i++;
			document.banner.src = eval("banner" + i + ".src");
		}
		else{
			i = 1;
			document.banner.src = eval("banner" + i + ".src");
		}
		loadBanner();
	}
        else{
                window.setTimeout("Timer()",1000)}

}

function clickLink(){
	top.location = links[i]
}

function clickLink2(){
	window.open(links[i])
}


function descript(){
	window.status = description[i]
}

function nothing() {
	window.status=""
}

function  checkForm(this_form){
    if  (!hasValue(this_form.name, "TEXT" )) {
                if  (!putMessage("Please enter your name")){
                        return false; 
                }
        }
    if  (!hasValue(this_form.email, "TEXT" )) {
                if  (!putMessage("Please enter your email address")){
                        return false; 
                }
        } else {
                if (!checkEmail(this_form.email)){
                        if  (!putMessage("Please enter valid email address")){
                                return false; 
                        }
                }
        }
    if  (!hasValue(this_form.username, "TEXT" )) {
                if  (!putMessage("Please enter your username")){
                        return false; 
                }
        }
    
	
        
        return true;    
}