function changimg(istr)
{
	if(istr!="video")
	{
		document.getElementById("videodiv").className="videodiv_hide";
		document.getElementById("imgdiv").className="imgdiv";
       document.getElementById("imgsrc").src="images/"+istr;
	}
	else
	{
			document.getElementById("videodiv").className="videodiv";
		    document.getElementById("imgdiv").className="imgdiv_hide";  	
	}
}
function changnews(id)
{
    if(id=="news1")
	{
	   //document.getElementById(id).className="newsshow";
	  // document.getElementById(id).style.color="#ffffff";
	 //document.getElementById("ntitle1").style.textDecoration="underline";
	  
	   document.getElementById("news2").className="newshide";
	   document.getElementById("ntitle2").style.textDecoration="none";
	}
	else
	{
	   document.getElementById(id).className="newsshow";
	   document.getElementById("ntitle2").style.textDecoration="underline";

	   document.getElementById("news1").className="newshide";	 
	  	     document.getElementById("ntitle1").style.textDecoration="none";
	}
	
}
function changnews2(id)
{
    if(id=="news1")
	{
	   //document.getElementById(id).className="newsshow";
	  // document.getElementById(id).style.color="#ffffff";
	 //document.getElementById("ntitle1").style.textDecoration="underline";
	 
	 document.getElementById("newsimg1").className="newsimg_show";
	  document.getElementById("news1").className="newsshow";
	   document.getElementById("ntitle1").className="news_show";
	   
	  document.getElementById("newsimg2").className="newsimg_hide";
	   document.getElementById("news2").className="newshide";
	   document.getElementById("ntitle2").className="news_hide";
	   
	    document.getElementById("newsimg3").className="newsimg_hide"
	   	  document.getElementById("news3").className="newshide";
	   document.getElementById("ntitle3").className="news_hide";
	   
	   	    document.getElementById("newsimg4").className="newsimg_hide"
	   	  document.getElementById("news4").className="newshide";
	   document.getElementById("ntitle4").className="news_hide";
	}
	else if(id=="news2")
	{
	 document.getElementById("newsimg2").className="newsimg_show";
	  document.getElementById("news2").className="newsshow";
	   document.getElementById("ntitle2").className="news_show";
	   
	  document.getElementById("newsimg1").className="newsimg_hide";
	   document.getElementById("news1").className="newshide";
	   document.getElementById("ntitle1").className="news_hide";
	   
	    document.getElementById("newsimg3").className="newsimg_hide"
	   	  document.getElementById("news3").className="newshide";
	   document.getElementById("ntitle3").className="news_hide";
	   
	   	   	    document.getElementById("newsimg4").className="newsimg_hide"
	   	  document.getElementById("news4").className="newshide";
	   document.getElementById("ntitle4").className="news_hide";
	}
	else if(id=="news3") 
	{	 
	document.getElementById("newsimg3").className="newsimg_show";
	  document.getElementById("news3").className="newsshow";
	   document.getElementById("ntitle3").className="news_show";
	   
	  document.getElementById("newsimg1").className="newsimg_hide";
	   document.getElementById("news1").className="newshide";
	   document.getElementById("ntitle1").className="news_hide";
	   
	   
	    document.getElementById("newsimg2").className="newsimg_hide"
	   	  document.getElementById("news2").className="newshide";
	   document.getElementById("ntitle2").className="news_hide";
	   
	   	   	    document.getElementById("newsimg4").className="newsimg_hide"
	   	  document.getElementById("news4").className="newshide";
	   document.getElementById("ntitle4").className="news_hide";
		
	}
	else
	{
		document.getElementById("newsimg4").className="newsimg_show";
	  document.getElementById("news4").className="newsshow";
	   document.getElementById("ntitle4").className="news_show";
	   
	  document.getElementById("newsimg1").className="newsimg_hide";
	   document.getElementById("news1").className="newshide";
	   document.getElementById("ntitle1").className="news_hide";
	   
	   
	    document.getElementById("newsimg2").className="newsimg_hide"
	   	  document.getElementById("news2").className="newshide";
	   document.getElementById("ntitle2").className="news_hide";
	   
	   	   	    document.getElementById("newsimg3").className="newsimg_hide"
	   	  document.getElementById("news3").className="newshide";
	   document.getElementById("ntitle3").className="news_hide";	
	}
	
}
function changnews3(id)
{
    if(id=="news1")
	{
	   //document.getElementById(id).className="newsshow";
	  // document.getElementById(id).style.color="#ffffff";
	 //document.getElementById("ntitle1").style.textDecoration="underline";
	 
	 document.getElementById("newsimg1").className="newsimg_show";
	  document.getElementById("news1").className="newsshow";
	   document.getElementById("ntitle1").className="news_show";
	   
	  document.getElementById("newsimg2").className="newsimg_hide";
	   document.getElementById("news2").className="newshide";
	   document.getElementById("ntitle2").className="news_hide";
	   
	    document.getElementById("newsimg3").className="newsimg_hide"
	   	  document.getElementById("news3").className="newshide";
	   document.getElementById("ntitle3").className="news_hide";
	   
	   	    document.getElementById("newsimg4").className="newsimg_hide"
	   	  document.getElementById("news4").className="newshide";
	   document.getElementById("ntitle4").className="news_hide"
	}
	else if(id=="news2")
	{
	 document.getElementById("newsimg2").className="newsimg_show";
	  document.getElementById("news2").className="newsshow";
	   document.getElementById("ntitle2").className="news_show";
	   
	  document.getElementById("newsimg1").className="newsimg_hide";
	   document.getElementById("news1").className="newshide";
	   document.getElementById("ntitle1").className="news_hide";
	   
	    document.getElementById("newsimg3").className="newsimg_hide"
	   	  document.getElementById("news3").className="newshide";
	   document.getElementById("ntitle3").className="news_hide";
	   
	   	   	    document.getElementById("newsimg4").className="newsimg_hide"
	   	  document.getElementById("news4").className="newshide";
	   document.getElementById("ntitle4").className="news_hide"
	}
	else if(id=="news3")
	{	 
	document.getElementById("newsimg3").className="newsimg_show";
	  document.getElementById("news3").className="newsshow";
	   document.getElementById("ntitle3").className="news_show";
	   
	  document.getElementById("newsimg1").className="newsimg_hide";
	   document.getElementById("news1").className="newshide";
	   document.getElementById("ntitle1").className="news_hide";
	   
	   
	    document.getElementById("newsimg2").className="newsimg_hide"
	   	  document.getElementById("news2").className="newshide";
	   document.getElementById("ntitle2").className="news_hide";
	   
	   	   	    document.getElementById("newsimg4").className="newsimg_hide"
	   	  document.getElementById("news4").className="newshide";
	   document.getElementById("ntitle4").className="news_hide"
		
	}
	else
	{
	 	document.getElementById("newsimg4").className="newsimg_show";
	  document.getElementById("news4").className="newsshow";
	   document.getElementById("ntitle4").className="news_show";
	   
	  document.getElementById("newsimg1").className="newsimg_hide";
	   document.getElementById("news1").className="newshide";
	   document.getElementById("ntitle1").className="news_hide";
	   
	   
	    document.getElementById("newsimg2").className="newsimg_hide"
	   	  document.getElementById("news2").className="newshide";
	   document.getElementById("ntitle2").className="news_hide";
	   
	   	   	    document.getElementById("newsimg3").className="newsimg_hide"
	   	  document.getElementById("news3").className="newshide";
	   document.getElementById("ntitle3").className="news_hide" 	
	}
	
}