open=0;

function email (login, serv)
{
	eml = "mailto:" + login+"@"+serv;
	window.location.href = eml;
}

function showform()
{
	if(open!=0) {
					document.getElementById('oformbtn').className="button";	
					document.getElementById('chform').style.display="none";	
					open=0;
	}
	else{
					document.getElementById('oformbtn').className="button bunact";	
					document.getElementById('chform').style.display="block";
					open=1;
					}
}

function checkwidth(idm){
    nav = navigator.appName;
   if (nav != "Netscape")
      {
      var w = document.body.clientWidth;
      }
   else
      {
      var w = window.innerWidth;
      }
	if(w>=1024) document.getElementById(idm).style.width='670px';
	if(w>=1280) document.getElementById(idm).style.width='850px';
	if(w>=2000) document.getElementById(idm).style.width='1200px';
}


function open_window(url,w,h)
{
var left = parseInt( (document.body.clientWidth/2) - w/2 );
var window_name ="window"+Math.floor(Math.random()*100)+1;
window.open(url, window_name,"width="+w+",height="+h+",top=50%,left="+left+",resizable=no,location=no,scrollbars=1,status=no,toolbar=no,directories=no,menubar=no");
}