JS関数ライブラリのcommon.js

/************************************************************ 
       

$(id)     id     
GetLen(str)         ，        
InitHeight(obj)    Iframe  ，Iframe                 
Close()     ，FF          
GetElementByName(name, i)           ，          ，i     
ArrayRemove(array, n)              
************************************************************/ 

function $(id) 
{ 
   return document.getElementById(id); 
} 


function GetLen(str) 
{ 
   return str.replace(/[^\x00-\xff]/g, '**').length; 
} 


function InitHeight(obj) 
{ 
   obj.style.height = (obj.contentWindow.document.body.scrollHeight + 20) + 'px'; 
} 


function Close() 
{ 
   window.opener = null; 
   window.open('', '_self'); 
   window.close(); 
} 


//            
function GetElementByName(name, i) 
{ 
   if (typeof(i) == 'undefined') i = 0; 

   var els = document.getElementsByName(name); 
   if (els.length > 0) 
   { 
       return els[i]; 
   } 
   return null; 
} 


function ArrayRemove(array, n) 
{ 
   if(n < 0 || n >= array.length) return array; 

   // slice           
   // concat                        
   return array.slice(0, n).concat(array.slice(n + 1, array.length)); 
} 


/************************************************************ 
Cookie    。 
  ：   Cookie。 

1.Cookie.Exist(name)    Cookie      
2.Cookie.Get(name)    Cookie   ，    Cookie    null 
3.Cookie.Remove(name, path, domain)    Cookie 
4.Cookie.Add(name, value, expires, path, domain, secure)    Cookie，         
5.Cookie.Append(name, value)    ， "|"   
************************************************************/ 
var Cookie = 
{ 
   Expires : 365, 
   Exist : function(name) 
   { 
       if (this.Get(name)) return true; 
       return false; 
   }, 
   Get : function(name) 
   { 
       var strCookies = document.cookie; 
       var cookieName = name + '=';  // Cookie   
        
        
       //          
       var valueBegin = strCookies.indexOf(cookieName); 
       if (valueBegin == -1) return null;  //    Cookie 
        
       //          
       var valueEnd = strCookies.indexOf(';', valueBegin); 
       if (valueEnd == -1) valueEnd = strCookies.length; //      Cookie 

       //   Cookie  
       var value = strCookies.substring(valueBegin + cookieName.length, valueEnd); 
       return value; 
   }, 
   Add : function(name, value, expires) 
   { 
       if (typeof(expires) == 'undefined') expires = this.Expires; 

       var strCookie = name + '=' + value; 
       if (expires) 
       { 
           //   Cookie   ,       
           var curTime = new Date(); 
           curTime.setTime(curTime.getTime() + expires*24*60*60*1000); 
           strCookie += '; expires=' + curTime.toGMTString(); 
       } 
       document.cookie = strCookie; 
   }, 
   Append : function(name, value, expires) //   “|”   
   { 
       var oldValue = this.Get(name); 

       if (oldValue != null) value = oldValue + '|' + value; 

       this.Add(name, value, expires); 
   }, 
   Remove : function(name) 
   { 
       var strCookie; 

       //   Cookie     
       if (this.Exist(name)) 
       { 
           //   Cookie        
           strCookie = name + '=;'; 
           document.cookie = strCookie; 
       } 
   } 
} 



/************************************************************ 
Ajax    。 
  ：   XMLHttpRequest，   Ajax 

Ajax.LoadXml(url, method, callback) 
url       
method      ， GET POST 
callback      ，     ，            

************************************************************/ 
var Ajax = 
{ 
   LoadXml : function(url, method, callback) 
   { 
       var xmlHttp; 
       if (window.ActiveXObject) // IE 
       { 
           xmlHttp = new ActiveXObject('Microsoft.XMLHTTP'); 
       } 
       else if (window.XMLHttpRequest) // FF 
       { 
           xmlHttp = new XMLHttpRequest(); 
       } 
       if(!xmlHttp) 
       { 
           window.alert('     XMLHttpRequest   ！'); 
           return false; 
       } 

       xmlHttp.open(method, url, true); 
       xmlHttp.onreadystatechange = function() 
       { 
           if(xmlHttp.readyState != 4) return; 
           callback(xmlHttp); 
       } 
       xmlHttp.send(null); 
   } 
} 

//  url  
function getArgs( ) {
    var args = new Object( );
    var query = location.search.substring(1);     // Get query string
    var pairs = query.split("&");                 // Break at ampersand
    for(var i = 0; i < pairs.length; i++) {
        var pos = pairs[i].indexOf('=');          // Look for "name=value"
        if (pos == -1) continue;                  // If not found, skip
        var argname = pairs[i].substring(0,pos);  // Extract the name
        var value = pairs[i].substring(pos+1);    // Extract the value
        value = decodeURIComponent(value);        // Decode it, if needed
        args[argname] = value;                    // Store as a property
    }
    return args;                                  // Return the object
}

function GetQueryString( sProp ) {
	var re = new RegExp( sProp + "=([^\\&]*)", "i" );
	var a = re.exec( document.location.search );
	if ( a == null )
		return "";
	return a[1];          
};

function clickForAuto(){
    var nodeId = "test";
    if(document.all){
    	document.getElementById(nodeId).click();
    }else{
	    var evt = document.createEvent("MouseEvents");
	    evt.initEvent("click", true, true);
	    document.getElementById(nodeId).dispatchEvent(evt);
    }    
}