function switchLayer(layer){
//alert(layer);
 document.getElementById(layer).style.color='#A52A2A';
 	  if (layer=='s_ab'){
	  	  return false;
	  }
 if (layer.substr(0,2)=='m_'||layer.substr(0,2)=='s_'){
 	var lay=layer.substr(2);
	 if (lay=='su'||lay=='com'||lay=='fcieng'||lay=='fcirus'){
  document.getElementById('innermenu').style.display='block';
  
  }/*else if(lay!='ab'&&lay!='sem'&&lay!='sem1'&&layer.substr(2,2)!='id'){
  //alert(lay);
  document.getElementById('testmenu').style.display='block';
  }else if(lay=='sem'||lay=='sem1'){
  document.getElementById('seminarmenu').style.display='block';
  }*/else{
     var re=new RegExp("(.+)(id)([0-9]+)(.+)")
  	result=re.exec(layer);
   	document.getElementById(RegExp.$4+'menu').style.display='block';
   
  }
  
  /*var str=new String(layer);
  str.italics();*/
  return false;
 }
if(document.getElementById(layer).style.display=='none'){
document.getElementById(layer).style.display='block';
}else{
document.getElementById(layer).style.display='none';
}
}

function checkBrowser(){
var browser;
if (navigator.userAgent.indexOf('MSIE')!=-1){
browser='ie';
} else if (navigator.userAgent.indexOf('Gecko')!=-1){
browser='mozilla';
} else if (navigator.userAgent.indexOf('Opera')!=-1){
browser='opera';
}else{
browser='unknown';
}
return browser;
}


function checkMail(){
if (document.letter.aim.value=='empty'){
 alert('Выберите получателя!');
		  document.letter.aim.focus();
		  return false;
}
   for (i=0;i<document.letter.elements.length;i++){
   	   if (document.letter.elements[i].type=='text'||document.letter.elements[i].type=='textarea'){
	   	 if (document.letter.elements[i].value==''){
		  alert('Поле не заполнено!');
		  document.letter.elements[i].focus();
		  return false;
		  break;
		 }
	   }
   } //end zikl for
   var fName=/\w*@\w+\.(com|net|ua|ru)/;
   if (fName.exec(document.letter.mail.value)==null){
   	   alert('Неправильный e-mail');
	   document.letter.mail.select();
	   return false;
   }
 //return false;
}
var limit=500;
function countText(){
var entered=document.letter.mail_body.value.length;
var lost=limit-entered;
if (lost<=0){
  document.getElementById('count').innerHTML=0;
  document.letter.mail_body.disabled=true;
  document.letter.send.disabled=true;
  alert('Письмо не может быть\nбольше '+limit+' символов.');
  return false;
}
  document.getElementById('count').innerHTML=lost;
}
function checkReg(){
var plus;
/*var num=36;
alert (document.regform.elements[num].value);
document.regform.elements[num].focus();
return false;*/
var checkYear=/(1|2)\d{3}/;
var checkPhone=/\8\((\d){3,10}\)(\d){2,3}-(\d){2,3}(-\d{2})?/;
 
//var checkPhone=/8\((\d)]\){3,5}/;
//var checkPhone=new RegExp("(\d){1,5}");
//\d{2,3}-\d{2,3}(-\d{2})?
//result=document.regform.elements[4].value.match(checkPhone);
 /*if (result==null){
 	alert('ee');
 } */
   /*if (checkPhone.exec(Number(document.regform.elements[4].value))==null){
   alert ('err');
   	return false;
   }
return false;*/
if (document.regform.elements[0].name=='PHPSESSID'){
  plus=1;
}else{
  plus=0;
}

if (document.regform.elements[5+plus].value!=''){
   //var fName=/\w*@\w+\.(com|net|ua|ru|biz)$/;
   var fName=/(\w+)@([\w\._]+)/;
	if (fName.exec(document.regform.elements[5+plus].value)==null){
	  alert ('Неправильный e-mail!');
	  document.regform.elements[5+plus].select();
	  return false;
}
} 

var re=new RegExp('(^5$|12|13|14|15|16|17|18|19|20|29|30|36|41|46|52|57|62|72|71|78|83|88|94|99|104)');
for (i=0+plus;i<document.regform.elements.length;i++){//1
result=(i.toString()).match(re);
if(document.regform.elements[i+plus].type!='text'&&document.regform.elements[i+plus].type!='select-one'||result!=null){  //2	   
continue;
	   } ///2
	  if (document.regform.elements[i+plus].value==''||document.regform.elements[i+plus].value=='empty'){
	   alert ('Пропущены данные!');
				document.regform.elements[i+plus].focus();
				return false;
				break;
	   }
	   
/*if (checkPhone.exec(document.regform.elements[4+plus].toString())==null){
   alert ('Проверьте номер телефона!');
   	document.regform.elements[4+plus].select();
   	return false;
   } */
	   
	   if (i==27+plus||i==69+plus){
	   	  if (checkYear.exec(Number(document.regform.elements[i+plus].value))==null||document.regform.elements[i+plus].value<1970||document.regform.elements[i+plus].value>2010){
	  alert ('Неправильный год!');
	  document.regform.elements[i+plus].select();
	  return false;
}
	   }  
	//alert(i);   
} //1
}

function closePic(act){
  if (act=='close'){
  document.getElementById('image').style.display='none';
  document.getElementById('nopic').style.display='block';
  document.getElementById('nochange').style.display='block';
  document.regform.img.disabled=false;
  document.regform.changeimg.value='yes';
  }else{
  document.getElementById('image').style.display='block';
  document.getElementById('nopic').style.display='none';
  document.regform.img.disabled=true;
  document.getElementById('nochange').style.display='none';
  document.regform.changeimg.value='no';
  }
  //alert(document.regform.changeimg.value);
}