// JavaScript Document
// #############################
// Xay dung ham xu ly SecondBlock 
// ###############################
function change_block_second(id, imgID, imgsrc){
	arrBlock = id.split("_");
	//alert(arrBlock[0] + ":" + arrBlock[1]);
	for(i=0;i<=2;i++){
		strBienBlock = arrBlock[0] + "_" + (i+1);
		if(strBienBlock!=id){
			if(document.getElementById(strBienBlock).className == 'tab_secondBlock_active') document.getElementById(strBienBlock).className = 'tab_secondBlock';
		}
	}
	// Thay doi noi dung cua Image && Class DIV
	document.getElementById(id).className = 'tab_secondBlock_active';
	if (imgsrc != '') document.getElementById(imgID).src = imgsrc;
}