// JavaScript Document

function isEmpty(str){
    strRE = new RegExp( );
    strRE.compile( '^[\s ]*$', 'gi' );
    return strRE.test( str.value );
} 

function notValidEmail(str){
    mailRE = new RegExp( );
    mailRE.compile( '^[\._a-z0-9-]+@[\.a-z0-9-]+[\.]{1}[a-z]{2,4}$', 'gi' );
    return !(mailRE.test( str.value ));
}  

function checkContactForm(form){
		alert("function called");
	    if(isEmpty(form.realname)){alert('Please fill in your name');return false;}
	    if(notValidEmail(form.email)){alert('Please fill in your email address');return false;}
	    if(isEmpty(form.subject)){alert('Please fill in the subject');return false;}
    return true;
}

function checkSubscribeForm() {
	document.subscribeform.emailconfirm.value = document.subscribeform.email.value;
	if (document.subscribeform.email.value == "") {
		alert("Please enter your email!");
      	document.subscribeform.email.focus();
      	return false;
    }
	return true;
}

// BookMark code 			
	function addBookmark(title,url) {
		if (window.sidebar) { 
			window.sidebar.addPanel(title, url,""); 
		} else if( document.all ) {
			window.external.AddFavorite( url, title);
		} else if( window.opera && window.print ) {
			return true;
		}
	}