function hideDefault(txt){
	if(txt.value == "Search the website"){
		txt.value = "";
	}
}

function showDefault(txt){
	if(txt.value == ""){
		txt.value = "Search the website";
	}
}

function hideDefaultTellFriend(txt){
	if(txt.value == "Friend's Email"){
		txt.value = "";
	}
}

function showDefaultTellFriend(txt){
	if(txt.value == ""){
		txt.value = "Friend's Email";
	}
}


function showRegisterLayer(){
	var divOpacity = getElementsByClassName('div_opacity');
	//divOpacity = divOpacity[0];
	//divOpacity.style["display"] = "block";
	//var fx = new Fx.Style(divOpacity, 'opacity').start(0,0.8);
	
	var divMovie = getElementsByClassName('div_Movie');
	divMovie = divMovie[0];
	divMovie.style["display"] = "block";
	document.all.PfizerHomeMovie.src='/Pfizer.be/images/Flash/PfizerMovie.html';
}

function hideRegisterLayer(){
    document.all.PfizerHomeMovie.src='/Pfizer.be/images/Flash/Empty.htm';
    var divMovie = getElementsByClassName('div_Movie');
	divMovie = divMovie[0];
	divMovie.style["display"] = "none";
	
	//var divOpacity = getElementsByClassName('div_opacity');
	//divOpacity = divOpacity[0];
	//divOpacity.style["display"] = "none";
}

function showUploadLayer(){
	var divOpacity = getElementsByClassName('div_opacity');
	divOpacity = divOpacity[0];
	divOpacity.style["display"] = "block";
	var fx = new Fx.Style(divOpacity, 'opacity').start(0,0.8);
	
	var divUpload = getElementsByClassName('div_upload');
	divUpload = divUpload[0];
	divUpload.style["display"] = "block";
}

function showForgotLayer(){
	var divOpacity = getElementsByClassName('div_opacity');
	divOpacity = divOpacity[0];
	divOpacity.style["display"] = "block";
	var fx = new Fx.Style(divOpacity, 'opacity').start(0,0.8);
	
	var divForgot = getElementsByClassName('div_forgot_pwd');
	divForgot = divForgot[0];
	divForgot.style["display"] = "block";
}

function hide_div_thanks(){
	var divOpacity = getElementsByClassName('div_opacity_block');
	divOpacity = divOpacity[0];
	divOpacity.style["display"] = "block";
	var fx = new Fx.Style(divOpacity, 'opacity').start(0.8,0);
	
	var divForgot = getElementsByClassName('div_thanks');
	divForgot = divForgot[0];
	divForgot.style["display"] = "none";
}

function hide_div_educ_appli(){
	var divOpacity = getElementsByClassName('div_opacity_block');
	divOpacity = divOpacity[0];
	divOpacity.style["display"] = "block";
	var fx = new Fx.Style(divOpacity, 'opacity').start(0.8,0);
	
	var div_eduCenterAppliGloval = getElementsByClassName('div_eduCenterAppliGloval');
	div_eduCenterAppliGloval = div_eduCenterAppliGloval[0];
	div_eduCenterAppliGloval.style["display"] = "none";
}

function getElementsByClassName(className, tag, elm){
	var testClass = new RegExp("(^|s)" + className + "(s|$)");
	var tag = tag || "*";
	var elm = elm || document;
	var elements = (tag == "*" && elm.all)? elm.all : elm.getElementsByTagName(tag);
	var returnElements = [];
	var current;
	var length = elements.length;
	for(var i=0; i<length; i++){
		current = elements[i ];
		if(testClass.test(current.className)){
			returnElements.push(current);
		}
	}
	return returnElements;
}