function ShowBiography(current, link){
	jQuery("#title-description").removeClass();
	jQuery("#title-description").addClass("project_btn");
	jQuery("#title-biography").addClass("project_btn_on");
	
	jQuery("#txt-description").removeClass();	
	jQuery("#txt-description").css("display", "none"); 
	jQuery("#txt-biography").fadeIn(1500);
	return false;
}
function ShowDescription(current, link){
	jQuery("#title-biography").removeClass();
	jQuery("#title-biography").addClass("project_btn");		
	jQuery("#title-description").addClass("project_btn_on");
	
	jQuery("#txt-biography").removeClass();	
	jQuery("#txt-biography").css("display", "none"); 
	jQuery("#txt-description").fadeIn(1500);
	return false;
}

function ShowVideo(){
  	jQuery('#media_image').hide();
  	jQuery('#media_video').show();
	return false;
}