sections = new Array( "collaborations","chickcorea","you","yoyoma");

switch_section = function( section ) {

	current_section = section;

	if( section == "collaborations" ) {
		document.getElementById("bg_image").src = "images/bobby_and/image_2.jpg";
	} else if( section == "chickcorea" ) {
		document.getElementById("bg_image").src = "images/bobby_and/image_3.jpg";
	} else if( section == "yoyoma" ) {
		document.getElementById("bg_image").src = "images/bobby_and/image_4.jpg";
	} else if( section == "you" ) {
		document.getElementById("bg_image").src = "images/bobby_and/image_5.jpg";
	}

	for( var i in sections ) {
		document.getElementById( sections[i] + "_div" ).style.display = "none";
	}
	
	if( !section ) {
		document.getElementById( sections[0] + "_div" ).style.display = "";
	} else {
		document.getElementById( section  + "_div" ).style.display = "";
	}
}

show_section = function( section ) {
	if( section == "collaborations" ) {
		document.getElementById("bg_image").src = "images/bobby_and/image_2.jpg";
	} else if( section == "chickcorea" ) {
		document.getElementById("bg_image").src = "images/bobby_and/image_3.jpg";
	} else if( section == "yoyoma" ) {
		document.getElementById("bg_image").src = "images/bobby_and/image_4.jpg";
	} else if( section == "you" ) {
		document.getElementById("bg_image").src = "images/bobby_and/image_5.jpg";
	}
}

hide_section = function( section ) {
	switch_section( current_section );
}

sub_sections = new Array( "collab_1", "collab_2", "collab_3", "collab_4", "collab_5", "collab_6", "collab_7", "collab_8");

switch_sub_section = function( sub_section ) {
	
	for( var i in sub_sections ) {
		document.getElementById( sub_sections[i] ).style.display = "none";
	}
	
	if( !sub_section ) {
		document.getElementById( sub_sections[0]  ).style.display = "";
	} else {
		document.getElementById( sub_section ).style.display = "block";
	}
}

page = function() {
	current_section = "collaborations";
	switch_section("collaborations");
	switch_sub_section("collab_8");
}