function index_box(num){



	current_block=document.getElementById('index_box_'+num);



	if(current_block.style.display=='block'){

		current_block.style.display='none';

	}



	else{

		for(i=1; i<5; i++){

			document.getElementById('index_box_'+i).style.display='none';

		}



		current_block.style.display='block';

	}

}



function left_menu(num){



	link=document.getElementById('menu_'+num);

	menu=document.getElementById('sub_menu_'+num);

	



	if(link.className=='links_in_true' && menu){

		link.className='links_in_true active';

		menu.style.display='block';

	}



	else{

		link.className='links_in_true';

		menu.style.display='none';

	}



}



function left_menu2(num){

/*        link=document.getElementById('menu_'+num);

	menu=document.getElementById('sub_menu_'+num);

	if(link.className=='links_in_true active' && menu){

		menu.style.display='block';

	}

	else{

*/

	arrs = document.getElementsByTagName("h4");

	for(var i=0; i < arrs.length; i++)

            {

            menu=document.getElementById('sub_'+arrs[i].id);

               if(arrs[i].className=='links_in_true active' && menu){

               menu.style.display='block';

               }

	

      }

//	}

	//Замена href у ссылок

	arr = document.getElementsByTagName("a");

	for(var i=0; i < arr.length; i++)

            {

               if(arr[i].className=='coolink'){

               ident=arr[i].id;

               menu2=document.getElementById('sub_menu_'+ident);

               if(menu2){

               }

               else

               arr[i].href=arr[i].title;

               }

	

        }

	



}