// PRELOADING IMAGES
if (document.images) {
    img_on =new Image();  img_on.src ="/images/m1on.gif"; 
    img_off=new Image();  img_off.src="/images/m1off.gif"; 
    
    img1_on =new Image(); img1_on.src ="/images/m1on.gif"; 
    img1_off=new Image(); img1_off.src="/images/m1off.gif"; 
    
    img2_on =new Image(); img2_on.src ="/images/m2on.gif"; 
    img2_off=new Image(); img2_off.src="/images/m2off.gif";  
    
    img3_on =new Image(); img3_on.src ="/images/m3on.gif"; 
    img3_off=new Image(); img3_off.src="/images/m3off.gif"; 
    
    img4_on =new Image(); img4_on.src ="/images/m4on.gif"; 
    img4_off=new Image(); img4_off.src="/images/m4off.gif"; 
    
    img5_on =new Image(); img5_on.src ="/images/m5on.gif"; 
    img5_off=new Image(); img5_off.src="/images/m5off.gif";
    
    img6_on =new Image(); img6_on.src ="/images/m6on.gif"; 
    img6_off=new Image(); img6_off.src="/images/m6off.gif";
    
    img7_on =new Image(); img7_on.src ="/images/m7on.gif"; 
    img7_off=new Image(); img7_off.src="/images/m7off.gif";
}

function movr(k) {
 if (document.images) 
  eval('document.img'+k+'.src=img'+k+'_on.src');
}

function mout(k) {
 if (document.images) 
  eval('document.img'+k+'.src=img'+k+'_off.src');
}


function movr_lang(k, imgname) {
 if (document.images) {
  eval('img'+k+'_on.src="'+imgname+'"');
  eval('document.img'+k+'.src=img'+k+'_on.src');
 }
}

function mout_lang(k, imgname) {
 if (document.images) {
  eval('img'+k+'_off.src="'+imgname+'"');
  eval('document.img'+k+'.src=img'+k+'_off.src');
 }
}

function isEmpty(s) {
    var tmp = "";

    for (i=0; i<s.length; i++) {
        if (s.charAt(i) != ' ') tmp += s.charAt(i);
    }

    if (tmp == "") return true;
    else return false;
}

function emailCheck (emailStr) {
    /* The following variable tells the rest of the function whether or not
    to verify that the address ends in a two-letter country or well-known
    TLD.  1 means check it, 0 means don't. */

    var checkTLD=0;

    /* The following is the list of known TLDs that an e-mail address must end with. */

    var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;

    /* The following pattern is used to check if the entered e-mail address
    fits the user@domain format.  It also is used to separate the username
    from the domain. */

    var emailPat=/^(.+)@(.+)$/;

    /* The following string represents the pattern for matching all special
    characters.  We don't want to allow special characters in the address. 
    These characters include ( ) < > @ , ; : \ " . [ ] */

    var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";

    /* The following string represents the range of characters allowed in a 
    username or domainname.  It really states which chars aren't allowed.*/

    var validChars="\[^\\s" + specialChars + "\]";

    /* The following pattern applies if the "user" is a quoted string (in
    which case, there are no rules about which characters are allowed
    and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
    is a legal e-mail address. */

    var quotedUser="(\"[^\"]*\")";

    /* The following pattern applies for domains that are IP addresses,
    rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
    e-mail address. NOTE: The square brackets are required. */

    var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;

    /* The following string represents an atom (basically a series of non-special characters.) */

    var atom=validChars + '+';

    /* The following string represents one word in the typical username.
    For example, in john.doe@somewhere.com, john and doe are words.
    Basically, a word is either an atom or quoted string. */

    var word="(" + atom + "|" + quotedUser + ")";

    // The following pattern describes the structure of the user

    var userPat=new RegExp("^" + word + "(\\." + word + ")*$");

    /* The following pattern describes the structure of a normal symbolic
    domain, as opposed to ipDomainPat, shown above. */

    var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

    /* Finally, let's start trying to figure out if the supplied address is valid. */

    /* Begin with the coarse pattern to simply break up user@domain into
    different pieces that are easy to analyze. */

    var matchArray=emailStr.match(emailPat);

    if (matchArray==null) {
        /* Too many/few @'s or something; basically, this address doesn't
        even fit the general mould of a valid e-mail address. */
        return false;
    }

    var user=matchArray[1];
    var domain=matchArray[2];

    // Start by checking that only basic ASCII characters are in the strings (0-127).

    for (i=0; i<user.length; i++) {
        if (user.charCodeAt(i)>127) {
            //Ths username contains invalid characters.
            return false;
        }
    }
    for (i=0; i<domain.length; i++) {
        if (domain.charCodeAt(i)>127) {
            //Ths domain name contains invalid characters.
            return false;
       }
    }

    // See if "user" is valid 

    if (user.match(userPat)==null) {
        // user is not valid
        return false;
    }

    /* if the e-mail address is at an IP address (as opposed to a symbolic
    host name) make sure the IP address is valid. */

    var IPArray=domain.match(ipDomainPat);
    if (IPArray!=null) {
        // this is an IP address
        for (var i=1;i<=4;i++) {
            if (IPArray[i]>255) {
                //Destination IP address is invalid!
                return false;
            }
        }
        return true;
    }

    // Domain is symbolic name.  Check if it's valid.

    var atomPat=new RegExp("^" + atom + "$");
    var domArr=domain.split(".");
    var len=domArr.length;
    for (i=0;i<len;i++) {
        if (domArr[i].search(atomPat)==-1) {
        //The domain name does not seem to be valid.
        return false;
       }
    }

    /* domain name seems valid, but now make sure that it ends in a
    known top-level domain (like com, edu, gov) or a two-letter word,
    representing country (uk, nl), and that there's a hostname preceding
    the domain or country. */

    if (checkTLD && domArr[domArr.length-1].length!=2 && 
        domArr[domArr.length-1].search(knownDomsPat)==-1) {
        return false;
    }

    // Make sure there's a host name preceding the domain.

    if (len<2) {
        return false;
    }

    // If we've gotten this far, everything's valid!
    return true;
}

function window_pop(url,wwidth,wheight) {
	newWindow = window.open(url,'newWindow', 'scrollbars=auto,left=50,top=50,width=' + wwidth + ',height=' + wheight);
}

