function listParticipantOnly(i) {
		let a= {};
		a.index=String(i);
    		let xhr = new XMLHttpRequest();
    		let url = "https://reg.rdu.ru/proam/jsonlistparticipant.php";
    		xhr.open("POST", url, true);
    		xhr.setRequestHeader("Content-Type", "application/json");
  		xhr.onreadystatechange = function () {
			if (xhr.readyState === 4) {	
	      		if (xhr.status === 200) {
				let s=this.responseText;	
				let listis = JSON.parse(s);
				let l='';
				let ispro = '';
				let isstud='';
				let isclub='';
				let iscity='';
				let iscountry='';
				let stateShow=false;
				let isPayed = false;
				listis.forEach(c=>{
						if (ispro!=c.pro || isstud!=c.student) {
							if (stateShow && ispro!=="" && isstud!=="") {
								
								let bi = (!isPayed)?'<i class="grayfont font-lighter">':'<b class="blackfont">'; 
								let ei = (!isPayed)?'</i>':'';
								let be = (!isPayed)?'<i class="grayfont font-lighter">':'<i class="blackfont font-lighter">'; 
								let ee = '</i>';

								l=l+'<div class="mflex mw-100 justify-left padding-vert-2 s-border-all proam-input">';
								l=l+'<div class="mw-50 wrap-div-only"><div class="w-100">'+bi+ispro+ei+'</div><div class="w-100">'+bi+isstud+ei+'</div></div>'; 
								l=l+'<div class="mw-50 wrap-div-only"><div class="w-100">'+be+isclub+ee+'</div><div class="w-100" >'+be+iscity+', '+iscountry+ee+'</div></div>';
								l=l+'</div>';
							}
							ispro=c.pro;
							isstud=c.student;
							isclub=c.club;
							iscity=c.city;
							iscountry=c.country;
							stateShow = false;
							isPayed = false;

						}
						if (c.status==1 || c.status==2) {
							stateShow = true;
							if (c.status==2) {
								isPayed = true; 
							}
						}	
						
				});		
				if (stateShow) { // print last
								
					let bi = (!isPayed)?'<i class="grayfont font-lighter">':'<b class="blackfont">'; 
					let ei = (!isPayed)?'</i>':'</b>';
					let be = (!isPayed)?'<i class="grayfont font-lighter">':'<i class="blackfont font-lighter">'; 
					let ee = '</i>';

					l=l+'<div class="mflex mw-100 justify-left padding-vert-2 s-border-all proam-input">';
					l=l+'<div class="mw-50 wrap-div-only font-t-bold"><div class="w-100">'+bi+ispro+ei+'</div><div class="w-100">'+bi+isstud+ei+'</div></div>'; 
					l=l+'<div class="mw-50 wrap-div-only"><div class="w-100">'+be+isclub+ee+'</div><div class="w-100" >'+be+iscity+', '+iscountry+ee+'</div></div>';
					l=l+'</div>';
				}



				document.getElementById("listPartisipant").innerHTML =l;
			}
			}

    		};

    		xhr.send(JSON.stringify(a));

			document.getElementById("trass").innerHTML = '&nbsp;';	
}