var conditionName, conditionValue;

function FindDrugs(query, callback)
{
	if(query.length == 0)
	{
		callback(null);
		return;
	}
	
	//return items from browser cache if it exists
	//removed this because if slow latency causes error in cache
	/*if(cache[query])
	{
		callback(cache[query][0]);
		return;
	}*/

	FDBCacheAjax.GetDrugs(query, callback);
}

function FindDrugsHTML(query, callback)
{
	if(query.length == 0)
	{
		callback(null);
		return;
	}
		
	//return items from browser cache if it exists
	//removed this because if slow latency causes error in cache
	/*if(cache[query])
	{
		callback(cache[query][0]);
		return;
	}*/

	return FDBCacheAjax.GetDrugsHTML(query, callback);

}

function ReportUserRatingAbuse(userReviewId, visitorId, comment)
{
	FDBUserRatingAjax.ReportAbuse(userReviewId, visitorId, comment, ReportAbuseCallback);

	return false;
}

function ReportAbuseCallback(result)
{
	if(result == null || result.value == null)
		alert("null result");
	else
		alert("abuse reported, awaiting html");
}

function RefreshCaptcha()
{
	FDBUserRatingAjax.GetNewCAPTCHA(RefreshCapthchaCallBack);

	return false;
}

function RefreshCapthchaCallBack(result)
{
	if(result == null || result.value == null)
		alert("Sorry unable to refresh, communication error.");
	else
	{
		var img = document.getElementById("captchaImage");
		var url = img.src.split("&");
		var newUrl = url[0] + "&" + url[1] + "&id=" + result.value;
		img.src = newUrl;
		document.getElementById("cypherText").value = result.value;
	}
}

function FoundHelpFul(userName, userReviewId, isHelpFul)
{
	FDBUserRatingAjax.FoundHelpful(userName, userReviewId, isHelpFul, FoundHelpFulCallBack);

	return false;
}

function FoundHelpFulCallBack(result)
{
	if(result == null || result.value == null)
		alert("Sorry unable to vote, communication error.");
	else
	{
		//hide the vote buttons for the item that just came back
		var voteSpan = document.getElementById(result.value[0] + "_Vote");
		if(voteSpan)
		{
			voteSpan.className = "voted";
			voteSpan.innerHTML = "Thank you for voting.";
		}
	}
}

function setRate(quest, star) {
	var star_pos=new Array("20%","40%","60%","80%","100%")
	
	if (quest == 1) {
	var txt_value = new Array("Ineffective","Somewhat Ineffective","Somewhat Effective","Effective","Very Effective");
	} else if (quest == 2) {
	var txt_value = new Array("Difficult","Somewhat Difficult","Somewhat Easy","Easy to Use","Very Easy to Use");
	} else if (quest == 3) {
	var txt_value = new Array("Not Satisfied","Somewhat Dissatisfied","Somewhat Satisfied","Satisfied","Very Satisfied");
	}
	
	var star_value = star + 1;
	var form_value = "rate" + quest;
	var text_value = "txt_value" + quest;
	
	if (!document.getElementById("catCurr"+quest)) return false;
	if (!document.getElementById("txtRate"+quest)) return false;
	
	var cur_sRate = document.getElementById("catCurr"+quest);
	var cur_tRate = document.getElementById("txtRate"+quest);
	
	cur_sRate.style.width = star_pos[star];
	cur_sRate.innerHTML = "Current Rating: " + star_value;
	cur_tRate.innerHTML = txt_value[star];
	cur_tRate.className = "txtRateSelected " + txt_value[star];
	document.submitRatings.elements[form_value].value = star_value;
	return false;
}

function txtRate(quest, star, e) {
	if (quest == 1) {
	var txt_value = new Array("Ineffective","Somewhat Ineffective","Somewhat Effective","Effective","Very Effective");
	} else if (quest == 2) {
	var txt_value = new Array("Difficult","Somewhat Difficult","Somewhat Easy","Easy to Use","Very Easy to Use");
	} else if (quest == 3) {
	var txt_value = new Array("Not Satisfied","Somewhat Dissatisfied","Somewhat Satisfied","Satisfied","Very Satisfied");
	}
	if (!document.getElementById("txtRate"+quest)) return false;
	
	var cur_tRate = document.getElementById("txtRate"+quest);
	var class_name = cur_tRate.className;
	var set_value = remove(class_name, 'txtRateSelected ');
	
	if (e == 0) {
		cur_tRate.innerHTML = txt_value[star];
	} else if (e == 1) {
		if (class_name.indexOf('txtRateSelected') != -1)  {
			cur_tRate.innerHTML = set_value;
		} else if (class_name == 'txtRate'){
			cur_tRate.innerHTML = "";
		}
	}
}

/* monograph toggle function */
function toggle(targetId) {
	if (!document.getElementById(targetId)) return false;
	var target = document.getElementById(targetId);
	
	if(target.style.display!="none"){
	target.style.display="none";
	} else {
	target.style.display="block";
	}
}

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

function remove(s, t) {
  i = s.indexOf(t);
  r = "";
  if (i == -1) return s;
  r += s.substring(0,i) + remove(s.substring(i + t.length), t);
  return r;
}

function initRate() {
	if (!document.getElementsByTagName) return false;
	if (!document.getElementById) return false;
	if (!document.getElementById("submitRatings")) return false;
	var form = document.getElementById("submitRatings");
	
	var ul = form.getElementsByTagName("ul");
	if (ul.length < 1) return false;
	var lists = new Array();

	for (var i=0; i<ul.length; i++) {
		var current_ul = ul[i];
		var temp = i + 1;
		if (current_ul.childNodes.length < 1) continue;
		var links = current_ul.getElementsByTagName("a");
		for ( var x=0; x < links.length; x++) {
		links[x].onclick = makeMouseClick(i,x);
		links[x].onmouseover = makeMouseOver(i,x);
		links[x].onmouseout = makeMouseOut(i,x);
		} 	
	}  

	function makeMouseClick(i,x) {
	i = (i*1) + 1;
	    return function() { return setRate(i,x);};
	}
	
	function makeMouseOver(i,x) {
	i = (i*1) + 1;
	    return function() { txtRate(i,x,0);};
	} 
	
	function makeMouseOut(i,x) {
	i = (i*1) + 1;
	    return function() { txtRate(i,5,1);};
	} 		
} 

function switchForm(el) {
	showForm(el.value);
}

function showForm(formName) {
	var form = document.getElementById("submitRatings");
	form.className = 'show' + formName;
}

function CheckValidForm()
{
	var valid = true;
	var errorMsg = "";
	var errorCtn = "";
	//this checks all the requiredFields are filled in
	//condition
	if(document.getElementById("conditionDropDown").value < 0)
	{
		MissingValue("condition-ec");
		errorMsg = "Please select the condition you're treating via the pull-down list.";
		errorCtn = "condition-ec";
		valid = false;
	}
	else
	{
		ValueSelected("condition-ec");
	}

	//stars
	if(!ValidateField("rateValue1", "rc1-ec"))
	{
		if(errorMsg.length == 0)
		{
			errorMsg = "Please fill-in star reviews for all three questions.";
			errorCtn = "rc1-ec";
		}

		valid = false;
	}

	if(!ValidateField("rateValue2", "rc2-ec"))
	{
		if(errorMsg.length == 0)
		{
			errorMsg = "Please fill-in star reviews for all three questions.";
			errorCtn = "rc2-ec";
		}

		valid = false;
	}

	if(!ValidateField("rateValue3", "rc3-ec"))
	{
		if(errorMsg.length == 0)
		{
			errorMsg = "Please fill-in star reviews for all three questions.";
			errorCtn = "rc3-ec";
		}

		valid = false;
	}

	//the captcha
	if(!ValidateField("CapChar", "capChar-ec"))
	{
		if(errorMsg.length == 0)
		{
			errorMsg = "Please enter the text from picture.";
			errorCtn = "codeGraphic";
		}

		valid = false;
	}

	//agreement checkbox
	if(!document.getElementById("agreeChk").checked)
	{
		if(errorMsg.length == 0)
		{
			errorMsg = "You must check terms and conditions box before continuing.";
			errorCtn = "agreement";
		}
		MissingValue("agreement");
		valid = false;
	}

	if(!valid)
	{
		window.location.href = "#" + errorCtn;
		alert(errorMsg);
	}

	return valid;
}

function ValidateField(field, fieldContainer)
{
	var valid = false;
	if(document.getElementById(field).value <= 0)
	{
		MissingValue(fieldContainer);
	}
	else
	{
		ValueSelected(fieldContainer);
		valid = true;
	}
	return valid;
}

function MissingValue(sectionName)
{
	var section = document.getElementById(sectionName);
	section.className = AddMissingError(section.className);
}

function ValueSelected(sectionName)
{
	var section = document.getElementById(sectionName);
	section.className = RemoveMissingError(section.className);
}

function AddMissingError(classValue)
{
	//strip all values of error from the class
	var classValue = RemoveMissingError(classValue);
	//append error
	classValue += " error";
	return classValue;
}

function RemoveMissingError(classValue)
{
	classValue = classValue.replace("error", "");
	return trim(classValue);
}

function trim(str)
{
	return str.replace(/^\s+|\s+$/g,"");
}

function GetUserReviewSummary(primaryId, secondaryId, secondaryIdValue)
{
	if(conditionValue != secondaryId)
		FDBUserRatingAjax.GetUserReviewSummary(primaryId, secondaryId, secondaryIdValue, GetUserReviewSummaryCallback);

	return false;
}

function GetUserReviewSummaryCallback(result)
{
	if(result == null || result.value == null)
		alert("Sorry unable to get summary, communication error.");
	else
	{
		//show the link for total reviews for condition
		var conditionsLink = document.getElementById("conditionsReviewLink"); 
		conditionsLink.innerHTML = result.value[2] + " review";
		if(result.value[2] > 1)
			conditionsLink.innerHTML += "s";
		conditionValue =  result.value[0];
		conditionsLink.href = drugUrl + conditionValue;
		conditionName = result.value[1];

		document.getElementById("ctnReviews").style.display = "block";

		//show the rating values
		ShowStarRating("EffectivenessSummary", result.value[3]);
		document.getElementById("EffectivenessSummaryValue").innerHTML = "(" + parseFloat(result.value[3]).toFixed(2) + ")";
		ShowStarRating("EaseOfUseSummary", result.value[4]);
		document.getElementById("EaseOfUseSummaryValue").innerHTML = "(" + parseFloat(result.value[4]).toFixed(2) + ")";
		ShowStarRating("SideEffectsSummary", result.value[5]);
		document.getElementById("SideEffectsSummaryValue").innerHTML = "(" + parseFloat(result.value[5]).toFixed(2) + ")";
	}
}

function ShowStarRating(summaryName, value)
{
	var obj = document.getElementById(summaryName);
	if(obj)
	{
		obj.style.width = Math.round(20 * value) + "px";
	}
}

function checkMaxLength(obj)
{
	var maxLength = obj.getAttribute("maxlength");
	var currentLength = obj.value.length;
	if(currentLength > maxLength)
		obj.value = obj.value.substring(0, maxLength);
	
	var charsRemaining = maxLength - obj.value.length;
	if(charsRemaining < 0)
		charsRemaining = 0;
	document.getElementById("currentCharCount").innerHTML = charsRemaining;
}

function LoadInitialUserReviewSummary(drugId)
{
	//this will load the summary review with the first item on the list
	var obj = document.getElementById("conditionSummary");

	if(obj == null)
		return false;

	GetUserReviewSummary(drugId, obj.value, obj.options[obj.selectedIndex].text);
}

function openPopup(theUrl,w,h) 
{
	var left = (screen.availWidth - w)/2;
	var top = (screen.availHeight - h)/2;
	  
	var args = "scrollbars,resizable" + ",width=" + w + ",height=" + h + ",top=" 
		+ top + ",left= " + left;
	
	var win = window.open(theUrl, 'popup', args );
	
	/* If the window already existed, bring it to the front */
	if (win) { win.focus(); }
	
	return false;
}