window.onload = checkJQuery;
		
	function checkJQuery(){		
		if(!window.jQuery)
		{
		   var script = document.createElement('script');
		   script.type = "text/javascript";
		   script.src = "http://web.archive.org/web/20130123142231/http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js";
		   document.getElementsByTagName('head')[0].appendChild(script);
		}
	}	

	function isValidDateFormat(date){	 
    		return date.match(/^(?:\d{1,2}([\./-])\d{1,2}\1(?:\d{4}|\d{2})|(?:(?:jan(?:uary)?)|(?:feb(?:ruary)?)|(?:mar(?:ch)?)|(?:apr(?:il)?)|(?:may)|(?:jun(?:e)?)|(?:jul(?:y)?)|(?:aug(?:ust)?)|(?:sept?(?:tember)?)|(?:oct(?:ober)?)|(?:nov(?:ember)?)|(?:dec(?:ember)?))\.?\s+\d{1,2},?\s+\d{4})$/i) != null;		
	 }

	function isValidEmailFormat(email){	 
		return email.match(/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*(\+[a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*\.(([0-9]{1,3})|([a-zA-Z]{2,3})|(aero|coop|info|museum|name))$/) != null;			
	 }

	function isValidPhoneFormat(phone){		
		return phone.match(/^[a-z]+/) == null;
	 }
 
	function clearClientID() { 				
		var date = new Date(); 
		date.setTime(date.getTime() + (-1 * 864e5)); 
		document.cookie = 'sessionclientid=; expires=' + date.toGMTString() + '; path=/'; document.cookie = 'client=; expires=' + date.toGMTString() + '; path=/';
	}

	function showWebOverlay(response, closeBtn){
			/*try closing overlay in the event that link was inadvertantly clicked multiple times.*/			
			if($('#overlayParent').length > 0)
				removeWebOverlay(closeBtn);
								
			var body = $('body');
			var posTop = $('body').scrollTop();
			if (posTop == 0)
				posTop = $(document.documentElement).scrollTop();

			var content = $('<div id="overlayParent"/>').css({zIndex:1001, background:'#FFF', position:'absolute', top:(posTop + 25) + 'px', left:0}).append(response).appendTo(body);
			var contentWidth = content.outerWidth(true);
			var contentHeight = content.outerHeight(true);
			content.css('left', ((body.outerWidth(true) - contentWidth) / 2) + 'px');
			$('<div id="overlayMask"/>').css({background:'#000', position:'fixed', zIndex:1000, opacity:.6, top:0, left:0, width:body.outerWidth(true) + 'px', height:body.outerHeight(true) + 'px'}).appendTo(body);			
				
			if(closeBtn) {
				var close= $('<div id="overlayClose"><a href="javascript:void(0);" style="font-size:12px;margin-right:3px;">close</a><img src="/media/internet/search/close_x_icon.gif" alt="Close Overlay" style="margin-bottom:-2px" width="10"/></div>').css({ position: 'absolute', right: '2px', top: '5px', zIndex: 1001, nowrap: 'nowrap', width: '50px', height: '16px', cursor: 'pointer' }).click(removeWebOverlay);			
				content.append(close);
			}
		}
			
	function removeWebOverlay(closeBtn){		
			$("#overlayParent").remove();
			$("#overlayMask").remove();
					
			if(closeBtn)
				$("#overlayClose").remove();		
	}