var content = new Array();
var current = "";
	
$(document).ready(function(){
	content['default'] = $("#tab_content").html();

	// set mouse events
	$("#tabs li").click(function(){
		// what tab am i on?
		switch(this.id){
		  case "tab_browse": var tab="browse"; break;
		  case "tab_search": var tab="search"; break;
		  default: var tab="default"; break;
		}
		
		if(current != tab){
			// handle rollover graphics
			$(this).addClass("on");
			$("#tabs li").not(this).removeClass("on");
			
			// erase current content and show default content ("loading" message)
			$("#tab_content").html(content['default']);
	
			// handle content
			if(content[tab] == undefined){ // first time loading this content
				$.post('/modules/form_'+tab+'.htm', function(result){ loadedContentProcess(tab,result); });
			}else{ // content has been loaded already
				loadedContentProcess(tab,content[tab]);
			}
			current = tab;
		}
	});

	// simulate rollover on default tab 
	$("#tabs li#tab_search").click();

});

function loadedContentProcess(tab,result){
	content[tab] = result;
	$("#tab_content").hide().html(content[tab]).fadeIn("slow");
	switch(tab){
		case "browse":
			$("#browseform select").change(function(){
				if(this.selectedIndex != 0){
					window.location=this.options[this.selectedIndex].value;				 
				}
			});
	}
}