function preloadImages() {
  
    semaphore_02_over = newImage("des/semaphore_02-over.gif");
    semaphore_03_over = newImage("des/semaphore_03-over.gif");
    semaphore_04_over = newImage("des/semaphore_04-over.gif");
}

function chPic(img,ref){ document.images[img].src = ref;}

function writeMail (login, serv, subj, addons)
{
if (!subj) subj='From ravenol.com.ua';
var string='<nobr><a href="mailto:'+login+'@'+serv+'?subject='+subj+'" '+addons+'>'+login+'@'+serv+'</a></nobr>';
document.write (string);
}


function findObj(n) {
var x; 
var ns6 = document.getElementById ? 1 : 0 
var ie = document.all ? 1 : 0 
var ns = document.layers ? 1 : 0 
if(ns6){x = document.getElementById(n) } 
if(ie){x = document.all[n] } 
if(ns){x = document[n] } 
return x; 
} 

function rollover(img,ref){ document.images[img].src = ref; }

var oldLayer2 = "";
var oldPic2 = "";

function showLayer2(layerName, picName, arrDn, arrUp)
 {
var obj;
if (oldLayer2)
     {obj=findObj(oldLayer2); if (obj.style) {obj=obj.style;}
    obj.display='none';
    rollover(oldPic2, arrDn);
  }
         obj=findObj(layerName); if (obj.style) {obj=obj.style;}
    if (oldLayer2!=layerName){obj.display='block'; oldLayer2=layerName; oldPic2 = picName; rollover(picName, arrUp);}
        else {obj.display='none';  oldLayer2=""; oldPic2 = ""; rollover(picName, arrDn);}
}


function showPic(ref, ttl, iWidth, iHeight)
{
var windowprops = "location=no,scrollbars=no,menubars=no,toolbars=no,resizable=no,left=300,top=80,width=" + iWidth + ",height=" + iHeight;
a = window.open("","popup",windowprops);
a.document.open();
a.document.write('\n' +
'<html>\n' +
'<head><title>' + ttl + '</title>\n' +
'<scr' + 'ipt language=\"JavaScript\">\n' +
'function windowClose()\n' +
'{\n' +
'window.self.close();\n' +
'}\n' +
'</scr' + 'ipt>\n' +
'</head>\n' +
'<body bgcolor="#ffffff" topmargin="0" leftmargin="0" marginwidth="0"  marginheight="0">\n' +
'<center><a href="javascript:windowClose()"><image src="' + ref + '" width="' + iWidth + '" height="' + iHeight + '" alt="Закрыть окно" border="0"></a>');
a.document.write('</body>\n</html>\n');
a.document.close();
}

