function G(id){	if(typeof(id)=="string"){return document.getElementById(id);}return id;}
String.prototype.trim=function(){
	return this.replace(/(^[\s\t\xa0\u3000]+)|([\u3000\xa0\s\t]+$)/g, "");
};

String.prototype.format=function(){
  if(arguments.length==0) return this;
  for(var s=this, i=0; i<arguments.length; i++)
    s=s.replace(new RegExp("\\$"+i+"\\$","g"), arguments[i]);
  return s;
};
function hasClass(element, className) {
	var reg = new RegExp('(\\s|^)'+className+'(\\s|$)');
	return element.className.match(reg);

} 
function addEvent(ele,event,fun){
	if(typeof(window.attachEvent)!="undefined"){
		ele.attachEvent("on"+event,fun);
	}else{
		if(window.addEventListener){
			ele.addEventListener(event,fun,true);
		}
	}
}
if (![].push) Array.prototype.push = function() {
    for (var i = 0; i < arguments.length; i++) {
      this[this.length] = arguments[i];
    }
	return this.length;
  };
if (![].pop) Array.prototype.pop = function(){
    var _item = this[this.length - 1];
    this.length--;
    return _item;
  };
function proxy(){
	var __a=[];
	for(var i=0,l=arguments.length;i<l;i++){
		__a[i]=arguments[i];
	}
	var __func=__a[0];
	__a.shift();
	 return function(){__func.apply(null,__a)};
}
function changeClassName(id,className,act)
{
	var ele=G(id);
	var reg=new RegExp("\\b"+className+"\\b","g");
	var cn=ele.className.replace(className,"");
	ele.className=(act?cn+" "+className:cn);
	return true;
}
function addClassName(ele,className){
	changeClassName(ele,className,true);
}
function removeClassName(ele,className){
	changeClassName(ele,className,false);
}
function toggle_self_help(id, is_on){
    if(is_on) Element.show(id);
    else Element.hide(id);
}
function copy_to_clipboard(meintext) {
	if (window.clipboardData) {   
		// the IE-manier
		window.clipboardData.setData("Text", meintext);   
	}
	else if (window.netscape){    
		// dit is belangrijk maar staat nergens duidelijk vermeld:
		netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');   
		// maak een interface naar het clipboard
		var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
		if (!clip) return;   
		// maak een transferable
		var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
		if (!trans) return;   
		// specificeer wat voor soort data we op willen halen; text in dit geval
		trans.addDataFlavor('text/unicode');   
		// om de data uit de transferable te halen hebben we 2 nieuwe objecten nodig   om het in op te slaan
		var str = new Object();
		var len = new Object();   
		var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);   
		var copytext=meintext;   
		str.data=copytext;   
		trans.setTransferData("text/unicode",str,copytext.length*2);   
		var clipid=Components.interfaces.nsIClipboard;
		if (!clip) return false;
		clip.setData(trans,null,clipid.kGlobalClipboard);   
   }
   return false;
}

function get_from_clipboard() {
	if (window.clipboardData) {
		// the IE-manier
		return(window.clipboardData.getData('Text'));
	} 
	else if (window.netscape) { 
		netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
		var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
		if (!clip) return;

		var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
		if (!trans) return;
    
		trans.addDataFlavor('text/unicode');
		clip.getData(trans,clip.kGlobalClipboard);

		var str = new Object();
		var len = new Object();
    
		try { trans.getTransferData('text/unicode',str,len); }
		catch(error) { return; }

		if (str) {
			if (Components.interfaces.nsISupportsWString) str=str.value.QueryInterface(Components.interfaces.nsISupportsWString);     
			else if (Components.interfaces.nsISupportsString) str=str.value.QueryInterface(Components.interfaces.nsISupportsString);
			else str = null;
		}

		if (str) return(str.data.substring(0,len.value / 2));
	}
	return;
}

function select_all(n,v){
    var s=document.getElementsByTagName('input');
    for (var i=0,c;c=s[i];i++){
        if (c.name==n)
            c.checked=v;
    }
    return false;
}
function showhide_div(entryid){
	if(document.getElementById(entryid).style.display == "none"){
    	document.getElementById(entryid).style.display = "block";
	}else{
		document.getElementById(entryid).style.display = "none";
		}
	
	
}
function show_dialog(entryid,repage){
	/*
	if(document.getElementById(entryid).style.display == "none"){
    	document.getElementById(entryid).style.display = "block";
		new Ajax.Updater(entryid, repage, {asynchronous:true, evalScripts:true, method:'get'});
	}else{
		document.getElementById(entryid).style.display = "none";
	}
	*/
	document.getElementById(entryid).style.display = "block";
	new Ajax.Updater(entryid, repage, {asynchronous:true, evalScripts:true, method:'get'});
}
function DrawImage(ImgD){
	var image=new Image();
	var flag=false;
	var iwidth = 120; 
	var iheight = 90; 
	image.src=ImgD.src;
	if(image.width>0 && image.height>0){
		flag=true;
		if(image.width/image.height>= iwidth/iheight){
			if(image.width>iwidth){
				ImgD.width=iwidth;
				ImgD.height=(image.height*iwidth)/image.width;
			}else{
				ImgD.width=image.width;
				ImgD.height=image.height;
			}
	
			//ImgD.alt=image.width+"กม"+image.height;
		}
		else{
			if(image.height>iheight){
				ImgD.height=iheight;
				ImgD.width=(image.width*iheight)/image.height;
			}else{
				ImgD.width=image.width;
				ImgD.height=image.height;
			}
			ImgD.alt=image.width+"*"+image.height;
			
		}
	}
}

function DrawImageExt(ImgD,width,height){
	var image=new Image();
	var flag=false;
	var iwidth = width; 
	var iheight = height; 
	image.src=ImgD.src;
	if(image.width>0 && image.height>0){
		flag=true;
		if(image.width/image.height>= iwidth/iheight){
			if(image.width>iwidth){
				ImgD.width=iwidth;
				ImgD.height=(image.height*iwidth)/image.width;
			}else{
				ImgD.width=image.width;
				ImgD.height=image.height;
			}
	
			ImgD.alt=image.width+"*"+image.height;
		}
		else{
			if(image.height>iheight){
				ImgD.height=iheight;
				ImgD.width=(image.width*iheight)/image.height;
			}else{
				ImgD.width=image.width;
				ImgD.height=image.height;
			}
			ImgD.alt=image.width+"*"+image.height;
		}
	}
}

function hide_div(entryid){
    //alert(entryid);
	document.getElementById(entryid).style.display = "none";
}

function show_div(entryid){
    document.getElementById(entryid).style.display = "block";
}

function ltrim(str){
    var whitespace = new String(" \t\n\r");
    var s = new String(str);
    if (whitespace.indexOf(s.charAt(0)) != -1){
        var j=0, i = s.length;
        while (j < i && whitespace.indexOf(s.charAt(j)) != -1){
            j++;
        }
        s = s.substring(j, i);
    }
    return s;
}


function rtrim(str){
    var whitespace = new String(" \t\n\r");
    var s = new String(str);
    if (whitespace.indexOf(s.charAt(s.length-1)) != -1){
        var i = s.length - 1;
        while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1){
            i--;
        }
        s = s.substring(0, i+1);
    }
    return s;
}

 
function trim(str){
    return rtrim(ltrim(str));
}


function xml_encode(str){
       str=trim(str);
       str=str.replace("&","&amp;");
       str=str.replace("<","&lt;");
       str=str.replace(">","&gt;");
       str=str.replace("'","&apos;");
       str=str.replace("\"","&quot;");
       return str;
}


function is_empty(str){
    return trim(str)=="";
}

function not_empty(str){
    return trim(str)!="";
}

function equals(str1, str2){
	return str1 == str2;
}

 
function is_int(objStr,sign,zero){
    var reg;    
    var bolzero;    
    if(trim(objStr)==""){
        return false;
    }
    else{
        objStr=objStr.toString();
    }
    
    if((sign==null)||(trim(sign)=="")){
        sign="+-";
    }
    if((zero==null)||(trim(zero)==""))
    {
        bolzero=false;
    }
    else{
        zero=zero.toString();
        if(zero=="0"){
            bolzero=true;
        }
    }

    switch(sign)

    {
        case "+-":
            reg=/(^-?|^\+?)\d+$/;            
            break;
        case "+": 
            if(!bolzero){
                reg=/^\+?[0-9]*[1-9][0-9]*$/;
            }
            else{
                reg=/^\+?[0-9]*[0-9][0-9]*$/;
            }
            break;
        case "-":
            if(!bolzero){
            	reg=/^-[0-9]*[1-9][0-9]*$/;
            }
            else{
                reg=/^-[0-9]*[0-9][0-9]*$/;
            }            
            break;
        default:
            return false;
            break;
    }

    var r=objStr.match(reg);
    if(r==null){
        return false;
    }
    else{
        return true;     
    }
}

 

function is_float(objStr,sign,zero){
    var reg;    
    var bolzero;    
    if(trim(objStr)==""){
        return false;
    }
    else{
        objStr=objStr.toString();
    }    

    if((sign==null)||(trim(sign)=="")){
        sign="+-";
    }
    if((zero==null)||(Trim(zero)=="")){
        bolzero=false;
    }
    else{
        zero=zero.toString();
        if(zero=="0"){
            bolzero=true;
        }
    }
    switch(sign){
        case "+-":
            reg=/^((-?|\+?)\d+)(\.\d+)?$/;
            break;
        case "+": 
            if(!bolzero){
                reg=/^\+?(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*))$/;
            }
            else{
                reg=/^\+?\d+(\.\d+)?$/;
            }
            break;
        case "-":
            if(!bolzero){
                reg=/^-(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*))$/;
            }
            else{
                reg=/^((-\d+(\.\d+)?)|(0+(\.0+)?))$/;
            }            
            break;
        default:
            return false;
            break;
    }

    var r=objStr.match(reg);
    if(r==null){
        return false;
    }
    else{        
        return true;     
    }
}

function is_email(email)
{
	// a very simple email validation checking. 
	// you can add more complex email checking if it helps 
    var splitted = email.match("^(.+)@(.+)$");
    if(splitted == null) return false;
    if(splitted[1] != null )
    {
      var regexp_user=/^\"?[\w-_\.]*\"?$/;
      if(splitted[1].match(regexp_user) == null) 
      	return false;
    }
    if(splitted[2] != null)
    {
      var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;
      if(splitted[2].match(regexp_domain) == null) 
      {
	    var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
	    if(splitted[2].match(regexp_ip) == null) 
	    	return false;
      }// if
      return true;
    }
	return false;
}

function isEmail(emailAddress)
{
	if(emailAddress.length!=0){
		var email =/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
		if (!email.test(emailAddress)){
			return true;
		}else{
			return false;
		}
	}else{
		return false;
	}	
}

function innerHtmlsub(vClassName,ilength){
		var vC=document.getElementsByClassName(vClassName);
		if (vC.length) {
		for (var i=0; i < vC.length; i++) {
			if(vC[i].innerHTML.length>ilength){
			vC[i].innerHTML = vC[i].innerHTML.substring(0,ilength)+"...";
			}
		}
		}
	}