function check_textarea_length(elem,return_elem,maxlen)
{
	
	var e = document.getElementById(elem);
    var r = document.getElementById(return_elem);
    var len = e.value.length;
    
    if (len > maxlen)
    	e.value = e.value.substring(0,maxlen);
    
    r.innerHTML = "" + (maxlen - e.value.length);
    
}