function trim(string){ return string.replace(/(^\s+)|(\s+$)/g, ""); }

function empty(string){
	if(string == "")
		return true;
	return false;
}
				
function email_check(){
	var	email = trim(document.subscribe_form.email.value);

	var reg = /^[_a-z0-9-+]+(\.[_a-z0-9-+]+)*@([a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,5})$)|(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})$|(localhost)$/i;
	if(reg.test(email))
		return true;
	
	alert("Wrong Email!");
	return false;
}


function IsEMail(email){
	var reg = /^[_a-z0-9-+]+(\.[_a-z0-9-+]+)*@([a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,5})$)|(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})$|(localhost)$/i;
	if(reg.test(email))
		return true;
	return false;
}


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;
	}
}