function show_hide(x,y){
	$("#"+x).hide();
	$("#"+y).show();
}

jQuery.preloadImages = function(){
  for(var i = 0; i<arguments.length; i++){
    jQuery("<img>").attr("src", arguments[i]);
  }
}

function prepareGallery(){
	var gallery = document.getElementById("menu");
	var links = gallery.getElementsByTagName("a");
	for( i=0; i<links.length; i++){
		links[i].onclick = function(){
			copy = $('#'+this.id).attr('title');
			nav(this.id,copy);
			return false;
		}
	}
}

function nav(id,copy){
	var navigation = document.getElementById("menu");
	var nonLinkId = $("span.nonlink").attr("id");
	var nonLinkName = $("span.nonlink").attr("title");
  //changes cookie if you switch category
  Set_Cookie( 'category', copy, 1, '/', '', '' );
	var newnonlinkName = nonLinkName.replace('_and_',' & ');
  newnonlinkName = nonLinkName.replace('_',' ');
	$("span.nonlink").replaceWith("<a id='"+nonLinkId+"' href='#' title='"+nonLinkName+"'>"+newnonlinkName+"</a>");
	var newcopy = copy.replace('_and_',' & ');
  newcopy = copy.replace('_',' ');
	$("a#"+id).replaceWith("<span class='nonlink' title='"+copy+"' id='"+id+"''>"+newcopy+"</span>");
	$('span#'+nonLinkName).addClass('hide');
	$('span#'+copy).removeClass('hide');
	prepareGallery();
}

function showpic(url,text,hash) {
    //window.scrollTo(0,0);
    var maximum = {width: 466, height: 448};
    var newImg = new Image();
    newImg.onload=function() {
        var height = newImg.height;
        var width = newImg.width;
        var placeholder = document.getElementById("placeholder");
        if(width > maximum.width) {
            placeholder.style.width = maximum.width + "px";
            placeholder.style.height = "";
        } else if(height > maximum.height) {
            placeholder.style.width = "";
            placeholder.style.height = maximum.height + "px";
        } else {
            placeholder.style.width = width+"px";
            placeholder.style.height = height+"px";
        }
        placeholder.src = this.src;
        placeholder.className = hash;
        text = stripslashes(text);
        $("#caption").empty();
        $("#caption").html(text);
    }
    newImg.src = url;
    var base_url = document.location.href.split('#');
    document.location.href = base_url[0]+'#'+hash;
    return false;
}


function showvid(url,hash) {
  window.scrollTo(0,0);
  $.ajax({
		type:"POST",
		url: '/artists/render_video',
		data: 'url='+url,
		dataType: "html",
		success: function(responseText){
			$("#dialog").append(responseText);
			$.ui.dialog.defaults.bgiframe = true;
			$(function() {
				$("#dialog").dialog({ 
					bgiframe: true,
					resizable: false,
					modal: true,
					width: 372,
					height: 320,
					position: [265,195],
					draggable: false,
					close: function(event, ui){
						$(".photo_module").append("<div id='dialog' class='hide' title='Video Box'></div>");
					}
				});
			});
		}
	});
  document.getElementById("placeholder").className = hash;
  var base_url = document.location.href.split('#');
  document.location.href = base_url[0]+'#'+hash;
  return false;
}

function browse_rollover_on(val){$("."+val).addClass("on");}
function browse_rollover_off(val){$("."+val).removeClass("on");}

function addslashes(str) {
str = str.replace(/\'/g,'\\\'');
str=str.replace(/\"/g,'\\"');
str=str.replace(/\\/g,'\\\\');
str=str.replace(/\0/g,'\\0');
return str;
}

function stripslashes(str) {
str = str.replace('+','\'');
str = str.replace(/\\'/g,'\'');
str = str.replace(/\\"/g,'"');
str = str.replace(/\\\\/g,'\\');
str = str.replace(/\\0/g,'\0');
str = str.replace(/\\0/g,'\0');
return str;
}


// COOKIES | from http://techpatterns.com/downloads/javascript_cookies.php

function Get_Cookie( check_name ) {
  // first we'll split this cookie up into name/value pairs
  // note: document.cookie only returns name=value, not the other components
  var a_all_cookies = document.cookie.split( ';' );
  var a_temp_cookie = '';
  var cookie_name = '';
  var cookie_value = '';
  var b_cookie_found = false; // set boolean t/f default f
  
  for ( i = 0; i < a_all_cookies.length; i++ )
  {
    // now we'll split apart each name=value pair
    a_temp_cookie = a_all_cookies[i].split( '=' );
    // and trim left/right whitespace while we're at it
    cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');
    // if the extracted name matches passed check_name
    if ( cookie_name == check_name )
    {
      b_cookie_found = true;
      // we need to handle case where cookie has no value but exists (no = sign, that is):
      if ( a_temp_cookie.length > 1 )
      {
        cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
      }
      // note that in cases where cookie is initialized but no value, null is returned
      return cookie_value;
      break;
    }
    a_temp_cookie = null;
    cookie_name = '';
  }
  if ( !b_cookie_found ) 
  {
    return null;
  }
}

function Set_Cookie( name, value, expires, path, domain, secure ) {
  var today = new Date();
  today.setTime( today.getTime() );
  // if the expires variable is set, make the correct expires time, the
  // current script below will set it for x number of days, to make it
  // for hours, delete * 24, for minutes, delete * 60 * 24
  if ( expires )
  {
    expires = expires * 1000 * 60 * 60 * 24;
  }
  var expires_date = new Date( today.getTime() + (expires) );

  document.cookie = name + "=" +escape( value ) +
    ( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + //expires.toGMTString()
    ( ( path ) ? ";path=" + path : "" ) + 
    ( ( domain ) ? ";domain=" + domain : "" ) +
    ( ( secure ) ? ";secure" : "" );
}

function Delete_Cookie( name, path, domain ) {
  if ( Get_Cookie( name ) ) document.cookie = name + "=" +
      ( ( path ) ? ";path=" + path : "") +
      ( ( domain ) ? ";domain=" + domain : "" ) +
      ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}