function SymError(){
	  return true;
}
window.onerror = SymError;

function Apri(w,h,wname,file) {
		var newWindow = window.open(file,wname,'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,top='+eval(screen.height/2-h/2)+',left='+eval(screen.width/2-w/2)+',HEIGHT='+h+',WIDTH='+w);	
}

function changeImages() {
  	if (document.images) {
  		for (var i=0; i<changeImages.arguments.length; i+=2) {
  			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
  		}
  	}
 }

function setBackgroundImage(id, imageURL) {
  if (document.layers)
    document[id].background.src = imageURL == 'none' ? null : imageURL;
  else if (document.all)
    document.all[id].style.backgroundImage = imageURL == 'none' ? 'none' : 'url(' + imageURL + ')';
  else if (document.getElementById)
    document.getElementById(id).style.backgroundImage = imageURL == 'none' ? 'none' : 'url(' + imageURL + ')';
}

function noblankfield(text){
	var noerr=true;
	var df=document.insform;
	for (i=0;i<(df.length-1);i++){
		if (df.elements[i].value==""){ 
			noerr=false;
		}
	}
	if (!noerr) alert(text);
	return noerr;
}

function gotoPage(Msgtext,id){
	npage = document.getElementById("pagenumber").value;
	if (npage!='') {
		document.location.href="main.php?type=2&id="+id+"&page="+npage;
	} else {
		alert (Msgtext);
	} 
}

function changeLanguage(fromlang,tolang) {
	var url = top.document.location.href;
	var i = url.indexOf('/'+fromlang+'/');
	if (i>0) top.document.location.href = url.substring(0,i)+'/'+tolang+'/'+url.substring(i+4);
	else top.document.location.href = url+tolang+'/';
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_findObj(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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; 
    if (IE) {
    	event.clientY < 200 ? obj.pixelTop=document.body.scrollTop+event.clientY :obj.pixelTop=document.body.scrollTop+event.clientY -200;
    } else {
    	var y=args[3];
    	var pagey=args[4];
//    	alert ('Y'+pagey);
//    	alert ('screen'+screen.height/2);
		if (pagey<350){
	    	if (y<(screen.height/2)){
	    		obj.top = args[3] - 100;
			} else {
				obj.top = args[3] - 200 ;
			}
		}
		else {
	    	if (y<(screen.height/2)){
	    		obj.top = args[3] + 100;
			} else {
				obj.top = args[3] + 100;
			}		
		}
	}
}
}