function show(eleid) {
		//alert(eleid);
		var node = document.getElementById(eleid);
		
		if(node.style.display == '') {
			node.style.display='none';
		}
		else {
			node.style.display = '';
			window.location.hash=eleid;
		}
	}
	
	function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}

function ValidateForm(){
	var emailID=document.getElementById('email');
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email ID")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		//emailID.value=""
		emailID.focus()
		return false
	}
	return true
 }
 
 function focusText(field){
    if (field.defaultValue == field.value) field.value = '';
    //else if (field.value == '') field.value = field.defaultValue;
}
function blurText(field){
    //if (field.defaultValue == field.value) field.value = '';
    if (field.value == '') field.value = field.defaultValue;
}
function submitOptin(formObj) {

	if (ValidateForm()) {
		//ajaxSubmit('https://stompernet.infusionsoft.com/AddForms/processForm.jsp', formObj);
		var iframeObj = document.getElementById('is_iframe');
		var oDoc = iframeObj.contentWindow || iframeObj.contentDocument;
    		if (oDoc.document) {
        		oDoc = oDoc.document;
    		}
		oDoc.iframe_form.Contact0Email.value = document.getElementById('email').value;
		oDoc.iframe_form.submit();
		show('post-optin');
		pageTracker._trackPageview('optin-submit');
	}
}