$(document).ready(function()
{
	if($("#sub h1").dropShadow)
	{
		$("#sub h1").dropShadow({top: 0, left: 0, opacity: .15});
		$("#subprojekt h1").dropShadow({top: 0, left: 7, opacity: .15});
		$("#text p img").dropShadow({top: 0, left: 0, opacity: .15});
	}

	if($("#projekt_screens").jqGalScroll)
	{
		$("#projekt_screens").jqGalScroll({direction: 'horizontal', width: 690, height: 450});
		$("#projekt_screens").dropShadow({top: 0, left: 0, opacity: .15});
	}
});

function check_form()
{
	var anliegen= check_field("anliegen");
	var name= check_field("name");
	var email= check_field("email");
	var anmerkungen= check_field("anmerkungen");
	
	var submit_form= anliegen && name && email && anmerkungen;
	var label= $("#message");
	
	if(!submit_form) label.addClass("highlight");
	else if(label.hasClass("highlight")) label.removeClass("highlight");
	
	return submit_form;
}

function check_field(id)
{
	var field_filled= $("#" + id).val();
	var label= $("#" + id + "_label");
	
	if(!field_filled) label.addClass("highlight");
	else if(label.hasClass("highlight")) label.removeClass("highlight");
	
	return !!field_filled;
}