// HoverIntent
(function($){$.fn.hoverIntent=function(f,g){var cfg={sensitivity:7,interval:100,timeout:0};cfg=$.extend(cfg,g?{over:f,out:g}:f);var cX,cY,pX,pY;var track=function(ev){cX=ev.pageX;cY=ev.pageY;};var compare=function(ev,ob){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);if((Math.abs(pX-cX)+Math.abs(pY-cY))<cfg.sensitivity){$(ob).unbind("mousemove",track);ob.hoverIntent_s=1;return cfg.over.apply(ob,[ev]);}else{pX=cX;pY=cY;ob.hoverIntent_t=setTimeout(function(){compare(ev,ob);},cfg.interval);}};var delay=function(ev,ob){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);ob.hoverIntent_s=0;return cfg.out.apply(ob,[ev]);};var handleHover=function(e){var p=(e.type=="mouseover"?e.fromElement:e.toElement)||e.relatedTarget;while(p&&p!=this){try{p=p.parentNode;}catch(e){p=this;}}if(p==this){return false;}var ev=jQuery.extend({},e);var ob=this;if(ob.hoverIntent_t){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);}if(e.type=="mouseover"){pX=ev.pageX;pY=ev.pageY;$(ob).bind("mousemove",track);if(ob.hoverIntent_s!=1){ob.hoverIntent_t=setTimeout(function(){compare(ev,ob);},cfg.interval);}}else{$(ob).unbind("mousemove",track);if(ob.hoverIntent_s==1){ob.hoverIntent_t=setTimeout(function(){delay(ev,ob);},cfg.timeout);}}};return this.mouseover(handleHover).mouseout(handleHover);};})(jQuery);

$(document).ready(function() {	

	// IE6
	$(document).pngFix();
	
	// Side Menu
	//$('ul.sub-menu ul').hide();
	$("ul.sub-menu li").hoverIntent( showNav , hideNav );	
	function showNav(){  
		$(this).children('ul').slideDown(); 
	}
	function hideNav(){  
		if($(this).attr('class') !== 'active'){
			$(this).children('ul').slideUp(); 
		}
	}
	

	
	// Case Studies Slider  	
	$('div.casestudies-container').cycle({ 
		fx:      'fade',
        timeout:  0,
		pause:    1,
        prev:    '.slider-left',
        next:    '.slider-right'
	});
	
	// Clients Slider  	
	$('div.related-clients-container').cycle({ 
		fx:      'fade',
        timeout:  0,
		pause:    1,
        prev:    '.slider-left-horz',
        next:    '.slider-right-horz'
	});
	
});



//function to check valid email address
function isValidEmail(){
  validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;
  strEmail = document.newsletter.email.value;

   // search email text for regular exp matches
    if (strEmail.search(validRegExp) == -1) 
   {
      alert('A valid e-mail address is required.\n\nPlease amend and retry');
      return false;
    } 
    return true; 
}


function clearBox(input) {
	if(input.value=input.defaultValue) {
		input.value = '';	
	}
}

function resetBox(input) {
	if(!input.value) {
		input.value = input.defaultValue;	
	}
}
