function toggleHead(n){
    for(i=1; i<=3; i++)
    {       
        if(i==n){document.getElementById("lft"+i).style.display = "block";
		document.getElementById("lfta"+i).className = "dfhead_hili";
		}
        else{document.getElementById("lft"+i).style.display = "none";
		document.getElementById("lfta"+i).className = "";
		}
    }
}

function toggleHeadrt(n){
    for(i=1; i<=3; i++)
    {       
        if(i==n){document.getElementById("rt"+i).style.display = "block";
		document.getElementById("rta"+i).className = "dfhead_hilia";}
        else{document.getElementById("rt"+i).style.display = "none";
		document.getElementById("rta"+i).className = "";}
    }
}


// navin
function youtube_embed(s){document.write('<object width="425" height="355"><param name="movie" value="'+s+'"></param><param name="wmode" value="transparent"></param><embed src="'+s+'" type="application/x-shockwave-flash" wmode="transparent" width="425" height="355"></embed></object>');}