function sc3(){
    document.getElementById('content').setAttribute('class', 'content sc');
    setTimeout(() => {  document.getElementById('content').setAttribute('class', 'content sc-h'); }, 700);
    // document.getElementById('container').setAttribute('class', 'container concollaps sc3p');
}
function scl1(){
    document.getElementById('body').scrollTo(0, 2450 - screen.width);
    document.getElementById('mo').setAttribute('class', 'focus');
    setTimeout(() => {  document.getElementById('mo').setAttribute('class', 'nothing'); }, 500);
   
    
}

function go(){
    if(screen.width < 900){
                        alert(' فرم را ارسال کنید. لینک آموزش استفاده از سامانه و اطلاعات ورود پیامک می شود.');
    }
    
}<br />
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<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home3/kgdyflwz/public_html/index.php:169) in <b>/home3/kgdyflwz/public_html/index.php</b> on line <b>216</b><br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home3/kgdyflwz/public_html/index.php:169) in <b>/home3/kgdyflwz/public_html/index.php</b> on line <b>216</b><br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home3/kgdyflwz/public_html/index.php:169) in <b>/home3/kgdyflwz/public_html/index.php</b> on line <b>216</b><br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home3/kgdyflwz/public_html/index.php:169) in <b>/home3/kgdyflwz/public_html/index.php</b> on line <b>216</b><br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home3/kgdyflwz/public_html/index.php:169) in <b>/home3/kgdyflwz/public_html/index.php</b> on line <b>216</b><br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home3/kgdyflwz/public_html/index.php:169) in <b>/home3/kgdyflwz/public_html/index.php</b> on line <b>216</b><br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home3/kgdyflwz/public_html/index.php:169) in <b>/home3/kgdyflwz/public_html/index.php</b> on line <b>216</b><br />