var hover_craft=0;
window.onload=function(){add_hover();try_walkout();externalLinks();};
function add_hover(){
	if (hover_craft<1){
		var x=document.getElementsByTagName("img");
		for(var i=0;i<x.length;i++){
			if((x[i].src.indexOf("images/nav/")>-1)&&(x[i].src.indexOf("_")>-1)){
				if (x[i].id!='active'){
					x[i].onmouseover=function(){
						this.src=this.src.slice(0,this.src.length-6)+"over.jpg";
					};
					x[i].onmouseout=function(){
						this.src=this.src.slice(0,this.src.length-8)+"up.jpg";
					};
				}else{
					x[i].src=x[i].src.slice(0,x[i].src.length-6)+"over.jpg";
				}
			}
		};
	}
	return;
}
function try_walkout(){
	try{
		//so_.write(divId);
		document.getElementById("about_us").onclick = function(){location.href="about_menopause.php";};
		document.getElementById("experts").onclick = function(){location.href="menopause_experts.php";};
	}catch(e){};
	return;
}
function validate(){
	//alert("The eBook is not quite ready yet, please check back soon.");
	//return false;
	var fname = document.getElementById("f_name").value;
	var femail = document.getElementById("f_email").value;
	if (fname==""){
		alert("Please type in your name.");return false;
	}else if(femail==""){
		alert("Please type in your email address.");return false;
	}else if (femail.indexOf("@",1)==-1){
		alert("Please enter a valid email address.");return false;
	}else if (femail.indexOf(".",3)==-1){
		alert("Please enter a valid email address.");return false;
	}else{
		return true;
	}
}
function question_submit(){
	var question = document.getElementById("txt_question").value;
	var email = document.getElementById("txt_email").value;
	if(question==""){
		alert("Please type in your question.");return false;
	}else if(email==""){
		alert("Please type in your email address.");return false;
	}else if (email.indexOf("@",1)==-1){
		alert("Please enter a valid email address.");return false;
	}else if (email.indexOf(".",3)==-1){
		alert("Please enter a valid email address.");return false;
	}else{
		return true;
	}
}
function externalLinks() {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external"){
     		anchor.target = "_blank";
		}
 	}
	return;
}