function hideTxt()
{
	var searchField = document.getElementById("sfield");
	if(searchField != null)
	{
		if(searchField.value == "поиск")
		{
			searchField.value = "";
			searchField.style.color = "#000";
			searchField.focus();
		}
	}
}
function showTxt()
{
	var searchField = document.getElementById("sfield");
	if(searchField != null)
	{
		if(searchField.value == "")
		{
			searchField.style.color = "#ccc";
			searchField.value = "поиск";
		}
	}
}

function calculate()
{
	var sum = 16000;
	var users = 7600;
	var blog = 3800;
	var vote = 1600;
	var guestbook = 2200;
	var newscal = 2500;
	var shop = 11800;
	var usershop = 19800;
	var feedback = 2200;
	var search = 2400;
	var forum = 3000;
	var userforum = 5200;
	var newmodule = 3000;
	var sitestruct = 2600;
	var design =10600;
	var template = 2000;
	var style = 700;
	var gt = false;
	
	var cpUsers = document.getElementById("cp_users").checked;
	var cpBlog = document.getElementById("cp_blog").checked;
	var cpVote = document.getElementById("cp_vote").checked;
	var cpGuestbook = document.getElementById("cp_guestbook").checked;
	var cpNewscal = document.getElementById("cp_newscal").checked;
	var cpShop = document.getElementById("cp_shop").checked;
	var cpUsershop = document.getElementById("cp_usershop").checked;
	var cpFeedback = document.getElementById("cp_feedback").checked;
	var cpSearch = document.getElementById("cp_search").checked;
	var cpForum = document.getElementById("cp_forum").checked;
	var cpUserforum = document.getElementById("cp_userforum").checked;
	var cpNewmodule = document.getElementById("cp_newmodule").checked;
	var cpSitestruct = document.getElementById("cp_sitestruct").checked;
	var cpDesign = document.getElementById("cp_design").checked;
	var cpTemplate = document.getElementById("cp_template").checked;
	var cpStyle = document.getElementById("cp_style").checked;
	
	if(cpBlog) 
	{	
		cpUsers = document.getElementById("cp_users").checked = true;
		sum += blog;
	}
	if(cpVote) sum += vote;
	if(cpGuestbook) sum += guestbook;
	if(cpNewscal) sum += newscal;
	if(cpShop) sum += shop;
	if(cpUsershop) 
	{	
		cpUsers = document.getElementById("cp_users").checked = true;
		sum += usershop;
	}
	if(cpFeedback) sum += feedback;
	if(cpSearch)
	{
		gt = true;
		sum += search;
	}
	if(cpForum) sum += forum;
	if(cpUserforum) 
	{	
		cpUsers = document.getElementById("cp_users").checked = true;
		sum += userforum;
	}
	if(cpUsers) sum += users;
	if(cpNewmodule)
	{
		gt = true;
		sum += newmodule;
	}
	if(cpSitestruct)
	{
		gt = true;
		sum += sitestruct;
	}
	if(cpDesign) 
	{	
		gt = true;
		cpStyle = document.getElementById("cp_style").checked = true;
		sum += design;
	}
	if(cpStyle) 
	{	
		gt = true;
		cpTemplate = document.getElementById("cp_template").checked = true;
		sum += style;
	}
	if(cpTemplate)
	{
		gt = true;
		sum += template;
	}
	
	var out = document.getElementById("txttot");
	sum = sum.toString();
	if(sum.length > 3)
	{
		sum = sum.substr(0,sum.length - 3) + " " + sum.substr(sum.length-3);
	}
	if(gt) out.innerHTML = "от " + sum + "&nbsp;<span>руб.</span>";
	else out.innerHTML = sum + "&nbsp;<span>руб.</span>";
}