var currentBody = "";

function showTab(bodyName){

	//setTimeout('Effect.Appear(\''+bodyName+'\', {duration:.8})', 300);
	document.getElementById(bodyName).style.display = "block";

		if(bodyName!=currentBody){

			if(document.getElementById(currentBody))

				document.getElementById(currentBody).style.display = "none";

			currentBody = bodyName;

		}
}

// Makes the javascript method .click() work in non IE browsers
if(typeof HTMLElement!='undefined'&&!HTMLElement.prototype.click)
HTMLElement.prototype.click=function(){
var evt = this.ownerDocument.createEvent('MouseEvents');
evt.initMouseEvent('click', true, true, this.ownerDocument.defaultView, 1, 0, 0, 0, 0, false, false, false, false, 0, null);
this.dispatchEvent(evt);
}

// Checks email address structure
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){
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }

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

 		 return true					
	}

function checkEmail(){
	var form = document.forms['subscription'];
	var emailID = form.elements['email'];
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please enter a valid email address")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		alert("Please enter a valid email address")
		emailID.focus()
		return false
	}
	return true
 }
 
// Saves cookie for location info