function validate_home(obj){
	
	 with(obj){
		 
			 if(tname.value =="Name:"){ alert("Please fill in full name"); return ; }
			 if(!isEmail(temail.value)){ alert("Please fill in a valid email address"); return ; }
			 if(message.value =="Message:" ){ alert("Please fill in your message"); return ; }
	}
	 obj.submit();
	 obj.reset();
}

	

	
	
function isEmail(str) {
return ( str.indexOf("@") > 0);
}


function reset_contact(obj){
	 obj.reset();
}




var timerLeft = 200;
var timerRight = 200;


function scrollDivRight(id){
document.getElementById(id).scrollLeft+=1;
timerRight=setTimeout("scrollDivRight('"+id+"')",3);
}

function scrollDivLeft(id){
document.getElementById(id).scrollLeft-=1;
timerLeft=setTimeout("scrollDivLeft('"+id+"')",3);
}

function getBookShelf(id){
	
	$("td[id^='shelf']").removeClass('shelfLinkSel');
	$("td[id^='shelf']").addClass('shelfLink');

	$('#shelf'+id).removeClass('shelfLink');
	$('#shelf'+id).addClass('shelfLinkSel');
	$("#shelfDiv").hide();
	$.ajax({
						type: "POST",
						url: "ajax/getShelf.php",
						data: "id="+id,
						success: function(returned){
								$("#shelfDiv").html(returned);
								$("#shelfDiv").show();
								
								
								}
							});
	
}


var currentHomeBanner = -1;
var limitHomeBanner = 5;
var rotational = true;


function showHomeBanner(id){
	//clearTimeout(rotational); 
	currentHomeBanner = id;

	$("td[id^='homebannerlink']").removeClass('homebannerlinkSel');
	$("td[id^='homebannerlink']").addClass('homebannerlink');

	$('#homebannerlink'+id).removeClass('homebannerlink');
	$('#homebannerlink'+id).addClass('homebannerlinkSel');
	
    for(var j=0; j<5; j++){
	 if(j != id){$('#homeImage'+j).fadeOut('fast');  $('#homeText'+j).fadeOut('fast'); }
	}
	$('#homeImage'+id).fadeIn('slow');
	$('#homeText'+id).fadeIn('slow');
	
}

function NextHomeBanner(id){
	var target = id + 1;
	if(target > limitHomeBanner - 1 ) target = 0;
	showHomeBanner(target);
}


function pauseHomeBanner(){
	 rotational = false;
}


function resumeHomeBanner(){
	rotational = true;
}


//$(document).everyTime(10000, function() {   if(rotational){ NextHomeBanner(currentHomeBanner); }  });