var siteurl = 'http://' + location.host + '/';
var companyname = 'IrishSchoolBooks.ie';
function checkEmail(inputvalue){	
    var pattern=/^([a-zA-Z0-9_.-])+@([a-zA-Z0-9_.-])+\.([a-zA-Z])+([a-zA-Z])+/;
    if(pattern.test(inputvalue)){         
		return true; 
    }else{   
		return false;
    }
}