var blockState = Array();
blockState['location_platforms'] = false;
blockState['client_connectivty'] = false;
blockState['network'] = false;
var changeClass = Array();

function toggle_submenu_block(block_id) {
	var block_elem = document.getElementById(block_id);
	var block_elem_group = document.getElementById(block_id+'_group');
	
	if(block_id=='location_platforms'){
		if(blockState['location_platforms']==false){
			if(blockState['client_connectivty'])toggle_submenu_block('client_connectivty');
			if(blockState['network'])toggle_submenu_block('network');
		}
	}
	if(block_id=='client_connectivty'){
		if(blockState['client_connectivty']==false){
			if(blockState['location_platforms'])toggle_submenu_block('location_platforms');
			if(blockState['network'])toggle_submenu_block('network');
		}
	}
	if(block_id=='network'){
		if(blockState['network']==false){
			if(blockState['client_connectivty'])toggle_submenu_block('client_connectivty');
			if(blockState['location_platforms'])toggle_submenu_block('location_platforms');
		}
	}
	
	if(block_elem) {		
		if(blockState[block_id]) {			
			//block_elem.className = 'submenu_group_closed';
			block_elem.className = changeClass[block_id];
			block_elem_group.style.display = 'none';
			block_elem_group.style.visibility = 'hidden';
			blockState[block_id] = false;
			
		} else {
			if(block_id=='location_platforms'){
				block_elem.className = 'submenu_group_open_top';
			}
			if(block_id=='location_platforms_api_reference'){
				block_elem.className = 'sub_sub_menu_group_open';
			}

			
			if(block_id=='client_connectivty'){
				block_elem.className = 'submenu_group_open_center';
			}
			if(block_id=='network'){
				block_elem.className = 'submenu_group_open_bottom';
			}
			block_elem_group.style.display = 'block';
			block_elem_group.style.visibility = 'visible';
			blockState[block_id] = true;			
			
			
		}		
	}
	return false;
}