//javascript documents

function enforcechar(what,objEvent,limit)
{//
	var iKeyCode;  	
	iKeyCode = objEvent.keyCode;
	if (what.value.length >=limit)
		return false

	if(iKeyCode>=48 && iKeyCode<=57 || iKeyCode == 46) return true;
		return false;
}
	
function isNumber(elem) 
{
   	var str = elem.value;
   	var re = /^[-]?\d*\.?\d{0,2}$/;
   	str = str.toString( );
   	if (!str.match(re)) 
	{       	 	
        return false;
   	}
   	return true;
}

function hideNav( navName ) { 
	if ( document.getElementById( navName ) ) {
		//document.getElementsByName( navName )[0].className = 'block';
		document.getElementById( navName ).style.display = 'none';
	} 
}

function showNav( navName ) { 
	if ( document.getElementById( 'active'+navName ) )
	//document.getElementsByName( navName )[0].className = 'display';
	document.getElementById( 'active'+navName ).style.display = 'block';
	
	if ( document.getElementById( 'normal'+navName ) )
	//document.getElementsByName( navName )[0].className = 'display';
	document.getElementById( 'normal'+navName ).style.display = 'none';
}

function mouseover( imgName ){
	var objImage = eval(imgName);
	objImage.src = '../images/navigation/'+imgName+'_h.gif';
	//document.images[imgName].src = '../images/navigation/'+imgName+'_h.gif';
	//eval(imgName).src = '../images/navigation/'+imgName+'_h.gif';
}

function mouseout( imgName ){
	document.images[imgName].src = '../images/navigation/'+imgName+'.gif';
}

function MM_preloadImages() { //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=MM_preloadImages.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 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_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
 
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
	for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
	  
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
	nbArr = document[grpName]; 
	if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
	  nbArr[nbArr.length] = img;
  } }
    
}

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_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function redirect(URLStr)
{ location = URLStr; }

function changeLang ( lang ) {
	var qstr, isEn, isFr, isDe, page;
	qstr 	= 	location.search;
	isEn	=	location.search.indexOf("lang=en") > -1;
	isFr	=	location.search.indexOf("lang=fr") > -1;
	isDe	=	location.search.indexOf("lang=de") > -1;		
			
	if ( qstr != "" ) {
	
		if ( isEn || isFr || isDe ) {
			if ( lang == "fr" ) {
				location.search = location.search.replace( "lang=en" , "lang=fr" );
			} 
			if ( lang == "en" ) {
				location.search = location.search.replace( "lang=fr" , "lang=en" );
			}
			
			if ( lang == "de" ) {
				location.search = location.search.replace( "lang=fr" , "lang=de" );
			}
			
		} else {
		    location.search = location.search+"&lang="+lang
		}
	} else {
		location.search = "?lang="+lang;
	}
}