var maincontent2 = 2;
var m1 = "url(images/index/CMediaLabel_Hover.jpg) no-repeat 7x 0"; 
var a1 = "url(images/index/MediaLabel_Link.jpg) no-repeat 7px 0"; 
var m2 = "url(images/index/MediaLabel_Hover.jpg) no-repeat 7px 0"; 
var a2 = "url(images/index/MediaLabel_Link.jpg) no-repeat 7px 0"; 

function Tomaincontent2(item) 
{ 
  for (var i=1; i<= maincontent2; i++){
    Mmain_content = document.getElementById("Mmain_content_"+ i); 
	Mlabel = document.getElementById("Mlabel_"+ i); 
	Mlabel.getElementsByTagName("a").item(0).className= "";
    Mmain_content.style.display = "none"; 
	Mlabel.style.background = eval("a"+i); 
  }
    Mmain_content = document.getElementById("Mmain_content_"+ item); 
	Mlabel = document.getElementById("Mlabel_"+ item); 
	Mlabel.getElementsByTagName("a").item(0).className= "focus";
    Mmain_content.style.display = "block"; 
	Mlabel.style.background = eval("m"+item); 
}