<!--
function SwitchSearch(switch_){max=50;if(switch_=='ext'){CloseDiv('sw_ext');ShowDiv('sw_sim');for(i=0;i<=max;i++){ShowDiv('search_tr_'+i);}
if(men=document.all.item('f_switch_search')){men.value='ext';}}else{ShowDiv('sw_ext');CloseDiv('sw_sim');for(i=0;i<=max;i++){CloseDiv('search_tr_'+i);}
if(men=document.all.item('f_switch_search')){men.value='simple';}}}

function EmailCheck(emailStr) {
    var emailPat=/^(.+)@(.+)$/;
    var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
    var validChars="\[^\\s"+specialChars+"\]";
    var quotedUser="(\"[^\"]*\")";

    var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
    var atom=validChars+'+';

    var word="("+atom+"|"+quotedUser+")";
    var userPat=new RegExp("^"+word+"(\\."+word+")*$");

    var domainPat=new RegExp("^"+atom+"(\\."+atom+")*$");
    var matchArray=emailStr.match(emailPat);

    if(matchArray==null){
        return false;
    }

    var user=matchArray[1];
    var domain=matchArray[2];

    if(user.match(userPat)==null){
        return false;
    }

    var IPArray=domain.match(ipDomainPat);

    if(IPArray!=null) {
        for(var i=1;i<=4;i++){
            if(IPArray[i]>255){
                return false;
            }
        }
        return true;
    }

    var domainArray=domain.match(domainPat);

    if(domainArray==null){
        return false;
    }

    var atomPat=new RegExp(atom,"g");
    var domArr=domain.match(atomPat);
    var len=domArr.length;

    if(domArr[domArr.length-1].length<2||domArr[domArr.length-1].length>6){
        return false
    }

    if(len<2){
        var errStr="This address is missing a hostname!"
        return false;
    }

    return true;
}