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 Address")
		   return false
		}

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

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

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

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

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

 		 return true					
	}
 
 function captureData(theForm) {
	var emailID = theForm.txtEmail;
	var Store = theForm.Store;
	
	if ((emailID.value == null) || (emailID.value == '')) {
		alert('Please enter a valid email address');
		emailID.focus();
		return false;
	}
	
	if (echeck(emailID.value) == false) {
		emailID.value = '';
		emailID.focus();
		return false;
	}
	
	if ((Store.value == null) | (Store.value == '')) {
		return false;
	}
	
	jsrsExecute("dataCapture.asp", captureDataCB, "capture", Array(emailID.value, Store.value), false);
	
	theForm.reset();
	
	return false;
}

function captureDataCB(strReturn) {
	if (strReturn == '1') {
		alert('Thank you for submitting your email');		
	}
}