function modifyInstance(dataname,uniqueid,optional,datatext)
  {

if(optional==true)
	{
		document.all['msgslist-'+uniqueid].style.background='#6e86a2';
		document.all['box-'+uniqueid].style.visibility = 'visible';
	}
	else
	{
		document.all['msgslist-'+uniqueid].style.background='#4E6682';
		document.all['box-'+uniqueid].style.visibility = 'hidden';
		
	}
 }

function setCheckboxes(the_form, do_check)
{
    var elts      = (typeof(document.forms[the_form].elements['id[]']) != 'undefined')
                  ? document.forms[the_form].elements['id[]']
                  : document.forms[the_form].elements['id[]'];
    var elts_cnt  = (typeof(elts.length) != 'undefined')
                  ? elts.length
                  : 0;

    if (elts_cnt) {
        for (var i = 0; i < elts_cnt; i++) {
            elts[i].checked = do_check;
        } // end for
    } else {
        elts.checked        = do_check;
    } // end if... else

    return true;
} 

function keep_characters(original_string, good_characters)
	{
		var cleaned_string = "";
		for (var counter = 0; counter < original_string.length; counter++)
			{
				current_char = original_string.charAt(counter);
				if (good_characters.indexOf(current_char) !=-1)
					{
						cleaned_string += current_char;
					}
			} 
		return cleaned_string;
	}

var lowercase_leters_en = "abcdefghijklmnopqrstuvwxyz";
var uppercase_leters_en = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
var lowercase_leters_ru = "àáâãäå¸æçèéêëìíîïðñòóôõö÷øùüûúýþÿ";
var uppercase_leters_ru = "ÀÁÂÃÄŨÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÜÛÚÝÞß";
var digit_character = "0123456789";

function generate_mail_links(domain,uname,zone)
{
	window.location="mailto:"+uname+"@"+domain+"."+zone+"";
}

/*function display_mail_links(domain,uname,zone)
{
	window.status="mailto:"+uname+"@"+domain+"."+zone+"";
}
*/
function display_mail_links(domain,uname,zone,username)
{
	username=username.replace(/ /g, "%20");
	mail_theme="Subject=WWW.RENT-APARTMENTS.RU%20:%20"+username+"%20ÿ%20çàèíòåðåñîâàëñÿ%20âàøèì%20îáúÿâëåíèåì%20íà%20ñàéòå%20www.rent-apartments.ru";
	//document.write("<a href=mailto:"+uname+"@"+domain+"."+zone+"?Subject=WWW.RENT-APARTMENTS.RU%20:%20ß%20çàèíòåðåñîâàëñÿ%20âàøèì%20îáúÿâëåíèåì%20íà%20ñàéòå&body=Äîáðûé%20äåíü%20"+username+"");
	//document.write("---------------------------------------");
	document.write("<a href=mailto:"+uname+"@"+domain+"."+zone+"?"+mail_theme+">"+uname+"@"+domain+"."+zone+"</a>");
}