var action = '';
function sImg(){//v3.0
 var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function rImg(){//v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
  var i,j=d.MM_p.length,a=rImg.arguments; for(i=0; i<a.length; i++)
  if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function fImg(n,d){//v4.01
 var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
  d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
 if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
 for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=fImg(n,d.layers[i].document);
 if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function hImg(){//v3.0
 var i,j=0,x,a=hImg.arguments;
 if (a[0] != action){
  document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
  if ((x=fImg(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
 }
}

function cMenu(act,host, len1){
	action = act;
	var len = host.length + len1;
	var src = document.getElementById(act).src;
	var first = src.substr(0, len);
	var ext = src.substr(len, 4);
	document.getElementById(act).src = first + 'O' + ext;
}

function checkMail(str){
var filter=/^([a-zA-Z0-9_\.\-])+@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
return (filter.test(str));
}

function go(act){
 document.frmMain.action.value=act;
 document.frmMain.submit();
}
function goID(act,id){
 document.frmMain.action.value=act;
 document.frmMain.id.value=id;
 document.frmMain.submit();
}

function goPicID(act,pic_id){
 document.frmMain.action.value=act;
 document.frmMain.pic_id.value=pic_id;
//document.frmMain.id.value=id;
 document.frmMain.submit();
}

function abon(){
	var mail = document.getElementById('abon');
	if (!checkMail(mail.value)){
		alert('Моля въведете валиден E-mail адрес!');
		mail.focus();
	}else{
		goID('f_abonament', mail.value);
	}
}