var common = {
 	
	confirmSubmit: function (text) {
		var agree=confirm(text);
		if (agree!=true) {
			return false;
		} else {
			return true;
		}
	},
	
	enterPressed: function (e) {
  	
		var characterCode;
	  		if(e && e.which) {           // NN4 specific code
	   			e = e;
	    			characterCode = e.which;
	  		} else {
	  			if (window.event) {
	   				e = window.event;
	  			}
	    			characterCode = e.keyCode // IE specific code
	  		}
	  		if (characterCode == 13) {
	  			return true;   // Enter key is 13
	  		} else {
	  			return false;
	  		}
	}
}



function  fireEvent(element,event) {
	
	if (document.createEventObject) {
	
		// dispatch for IE
		var evt = document.createEventObject();
		return element.fireEvent('on'+event,evt)
	} else {
		
		// dispatch for firefox + others
		var evt = document.createEvent("HTMLEvents");
		evt.initEvent(event, true, true ); // event type,bubbling,cancelable
		return !element.dispatchEvent(evt);
	}
}