function changediv(divname){
		if(divname=="mobile"){
			document.getElementById("mo").bgColor='FE8103';
			document.getElementById("no").bgColor='';
			document.getElementById("mp").bgColor='';
			document.getElementById("mpp").bgColor='';
			document.getElementById("dd").bgColor='';
			document.getElementById("ddd").bgColor='';
			
			document.getElementById("mobile").style.display='block';
			document.getElementById("notebook").style.display='none';
			document.getElementById("mp3").style.display='none';
			document.getElementById("mp4").style.display='none';
			document.getElementById("dc").style.display='none';
			document.getElementById("dv").style.display='none';
		}else if(divname=="notebook"){
		  document.getElementById("mo").bgColor='';
			document.getElementById("no").bgColor='FE8103';
			document.getElementById("mp").bgColor='';
			document.getElementById("mpp").bgColor='';
			document.getElementById("dd").bgColor='';
			document.getElementById("ddd").bgColor='';
			
			document.getElementById("mobile").style.display='none';
			document.getElementById("notebook").style.display='block';
			document.getElementById("mp3").style.display='none';
			document.getElementById("mp4").style.display='none';
			document.getElementById("dc").style.display='none';
			document.getElementById("dv").style.display='none';
		}else if(divname=="mp3"){
			document.getElementById("mo").bgColor='';
			document.getElementById("no").bgColor='';
			document.getElementById("mp").bgColor='FE8103';
			document.getElementById("mpp").bgColor='';
			document.getElementById("dd").bgColor='';
			document.getElementById("ddd").bgColor='';
			
			document.getElementById("mobile").style.display='none';
			document.getElementById("notebook").style.display='none';
			document.getElementById("mp3").style.display='block';
			document.getElementById("mp4").style.display='none';
			document.getElementById("dc").style.display='none';
			document.getElementById("dv").style.display='none';
		}else if(divname=="mp4"){
			document.getElementById("mo").bgColor='';
			document.getElementById("no").bgColor='';
			document.getElementById("mp").bgColor='';
			document.getElementById("mpp").bgColor='FE8103';
			document.getElementById("dd").bgColor='';
			document.getElementById("ddd").bgColor='';
			
			document.getElementById("mobile").style.display='none';
			document.getElementById("notebook").style.display='none';
			document.getElementById("mp3").style.display='none';
			document.getElementById("mp4").style.display='block';
			document.getElementById("dc").style.display='none';
			document.getElementById("dv").style.display='none';
		}else if(divname=="dc"){
			document.getElementById("mo").bgColor='';
			document.getElementById("no").bgColor='';
			document.getElementById("mp").bgColor='';
			document.getElementById("mpp").bgColor='';
			document.getElementById("dd").bgColor='FE8103';
			document.getElementById("ddd").bgColor='';
			
			document.getElementById("mobile").style.display='none';
			document.getElementById("notebook").style.display='none';
			document.getElementById("mp3").style.display='none';
			document.getElementById("mp4").style.display='none';
			document.getElementById("dc").style.display='block';
			document.getElementById("dv").style.display='none';
		}else{
			document.getElementById("mo").bgColor='';
			document.getElementById("no").bgColor='';
			document.getElementById("mp").bgColor='';
			document.getElementById("mpp").bgColor='';
			document.getElementById("dd").bgColor='';
			document.getElementById("ddd").bgColor='FE8103';
			
			document.getElementById("mobile").style.display='none';
			document.getElementById("notebook").style.display='none';
			document.getElementById("mp3").style.display='none';
			document.getElementById("mp4").style.display='none';
			document.getElementById("dc").style.display='none';
			document.getElementById("dv").style.display='block';
		}
	}