function tabOver(imgEl,num) {
	if(document.getElementById){
    var basicSrc, imgSrc = new String;
    basicSrc = imgEl.src;
    imgSrc = basicSrc.substring(basicSrc.length-7,basicSrc.length);
    if (imgSrc !== "_on.gif")
    {
      var tabSel = new String();
      tabSel = "tab".concat(num);
      document.images[tabSel].src = "chuhua_image/tab_news_" + num + "_on.gif";

      if (num == 1) {
        //document.images["tab1"].src = "/Images/Main/tab_news_01_on.gif";
        document.images["tab2"].src = "chuhua_image/tab_news_02.gif";
        document.images["tab3"].src = "chuhua_image/tab_news_03.gif";
		document.images["tab4"].src = "chuhua_image/tab_news_04.gif";
		document.images["tab5"].src = "chuhua_image/tab_news_05.gif";
        //document.getElementById("allview").style.display = "";
        document.getElementById("cp").style.display = "none";
        document.getElementById("ba").style.display = "none";
		document.getElementById("fa").style.display = "none";
		document.getElementById("ia").style.display = "none";
      }
      else if (num == 2){
        //document.images["tab1"].src = "/Images/Main/tab_news_01.gif";
        document.images["tab2"].src = "chuhua_image/tab_news_02_on.gif";
        document.images["tab3"].src = "chuhua_image/tab_news_03.gif";
		document.images["tab4"].src = "chuhua_image/tab_news_04.gif";
		document.images["tab5"].src = "chuhua_image/tab_news_05.gif";
        //document.getElementById("allview").style.display = "none";
        document.getElementById("cp").style.display = "";
        document.getElementById("ba").style.display = "none";
		document.getElementById("fa").style.display = "none";
		document.getElementById("ia").style.display = "none";
		
      }
      else if (num == 3){
        //document.images["tab1"].src = "/Images/Main/tab_news_01.gif";
        document.images["tab2"].src = "chuhua_image/tab_news_02.gif";
        document.images["tab3"].src = "chuhua_image/tab_news_03_on.gif";
		document.images["tab4"].src = "chuhua_image/tab_news_04.gif";
		document.images["tab5"].src = "chuhua_image/tab_news_05.gif";
        //document.getElementById("allview").style.display = "none";
        document.getElementById("cp").style.display = "none";
        document.getElementById("ba").style.display = "";
		document.getElementById("fa").style.display = "none";
		document.getElementById("ia").style.display = "none";
      }
	  else if (num == 4){
        //document.images["tab1"].src = "/Images/Main/tab_news_01.gif";
        document.images["tab2"].src = "chuhua_image/tab_news_02_off.gif";
        document.images["tab3"].src = "chuhua_image/tab_news_03_off.gif";
		document.images["tab4"].src = "chuhua_image/tab_news_04_on.gif";
		document.images["tab5"].src = "chuhua_image/tab_news_05.gif";
        //document.getElementById("allview").style.display = "none";
        document.getElementById("cp").style.display = "none";
        document.getElementById("ba").style.display = "none";
		document.getElementById("fa").style.display = "";
		document.getElementById("ia").style.display = "none";
      }
	  else if (num == 5){
        //document.images["tab1"].src = "/Images/Main/tab_news_01.gif";
        document.images["tab2"].src = "chuhua_image/tab_news_02_off.gif";
        document.images["tab3"].src = "chuhua_image/tab_news_03.gif";
		document.images["tab4"].src = "chuhua_image/tab_news_04_off.gif";
		document.images["tab5"].src = "chuhua_image/tab_news_05_on.gif";
        //document.getElementById("allview").style.display = "none";
        document.getElementById("cp").style.display = "none";
        document.getElementById("ba").style.display = "none";
		document.getElementById("fa").style.display = "none";
		document.getElementById("ia").style.display = "";
      }
    }
  }
}