function trim(str){
    for(var i = 0; i < str.length && str.charAt(i)==" "; i++);
    for(var j = str.length; j>0 && str.charAt(j-1)==" "; j--)  ;
    if(i>j) return"";  
    return str.substring(i,j);  
} 


function CheckEmail(email) {
	email = trim(email);
	document.details.email.value = email;
	
	if ( (email.indexOf(' ') != -1) || (email.indexOf('@', 1) == -1) ) {
		return false;
	}

	emailDomain = email.substr(email.indexOf('@') + 1);
		
	if ( (emailDomain.length < 4) || (emailDomain.indexOf('.', 1) == -1) ) {
		return false;
	}

	emailEnding = emailDomain.substr(emailDomain.indexOf('.') + 1);

	if (emailEnding.length < 2) {
		return false;
	}

	return true;
}
var scroll_ads_active = false;
var tooltips_active = false;