function Tools(){
	
    this.init = function() {
    }
    
	this.getElementsByClass = function(searchClass,node,tag) {
		var classElements = new Array();
		if ( node == null )
			node = document;
		if ( tag == null )
			tag = '*';
		var els = node.getElementsByTagName(tag);
		var elsLen = els.length;
		var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
		for (i = 0, j = 0; i < elsLen; i++) {
			if ( pattern.test(els[i].className) ) {
				classElements[j] = els[i];
				j++;
			}
		}
		return classElements;
	}
	
	this.JSDate2TS = function(ISODate) {
		return ISODate.getTime() / 1000
	}
	
    var self = this;
}

var tools = new Tools();

dojo.addOnLoad(
  function(){
    tools.init();
  }
);