function turnit(ss,ii)
{
	if (ss.style.display=="none")
	{
		for( i = 2; i < 21; i ++ ){
			if( i != 2 && i != 4 && i != 5 && i != 7 && i != 8 && i != 10 && i != 11 && i != 19 && i != 20 )
				continue;
				
			Con = eval("Content" + i);
			
			if( ss.id != Con.id ){
				Con.style.display = "none";
				
				ImgCon = eval("Img" + i);
				ImgCon.src="../../../img/left/c1.gif"; 
			}
			else{
				ss.style.display="block";
				ii.src="../../../img/left/c2.gif";
			}
		}
		
		Img3.src = "../../../img/left/c3.gif";
		Img6.src = "../../../img/left/c3.gif";
		Img9.src = "../../../img/left/c3.gif";
		Img12.src = "../../../img/left/c3.gif";
		Img13.src = "../../../img/left/c3.gif";
		Img14.src = "../../../img/left/c3.gif";
		Img15.src = "../../../img/left/c3.gif";
		Img16.src = "../../../img/left/c3.gif";
	}
	else
	{
		ss.style.display="none";
		ii.src="../../../img/left/c1.gif";
	}
}