function showLoading(divid){
	dialog = getElementId(divid);
	dialog.style.display='block';
}
function hideLoading(divid){
	dialog = getElementId(divid);
	dialog.style.display='none';
}
function Forum(){
	this.preloader = new PreLoader();
	this.handleFailure=function(o){alert("failed to retrieve data!");}
	////////////////////////////////
	this.post=function(topicId,city_id){
			forumURL = GLOBAL_URI+"forum/addThread/"+topicId+"/"+city_id+".html?ajaxcall=true";
			x = getElementId("threadForm");
			handleSuccess = function( o ){
				if(parseInt(o.responseText) == 1){
				location.href=GLOBAL_URI+"forum/view/"+topicId+"/"+city_id+".html";
				} else {getElementId("postThreadDiv").innerHTML=o.responseText;	}			
				
			}
			
			callback={success:handleSuccess,failure:this.handleFailure}
			YAHOO.util.Connect.setForm(x);
			YAHOO.util.Connect.asyncRequest("POST", forumURL, callback);
		
	}
	this.preview=function(topicId){
		getElementId("msgBox").innerHTML='';
		getElementId("msgBox2").innerHTML='';
		if(document.threadForm.title.value == ''){
			getElementId("msgBox").innerHTML="You must provide a subject for your new post.";
		}
		if(document.threadForm.thread.value == ''){
			getElementId("msgBox2").innerHTML="You must provide a body for your new post.";
		}
		if(document.threadForm.title.value != '' && document.threadForm.thread.value != ''){
			forumURL = GLOBAL_URI+"forum/preview/"+topicId+"?ajaxcall=true";
			x = getElementId("threadForm");
			handleSuccess = function( o ){
				getElementId("postThreadDiv").innerHTML=o.responseText;
				//alert(o.responseText);
				//location.href=GLOBAL_URI+"forum/view/"+topicId;
			}
			callback={success:handleSuccess,failure:this.handleFailure}
			YAHOO.util.Connect.setForm(x);
			YAHOO.util.Connect.asyncRequest("POST", forumURL, callback);
		}
	}
	this.previewReply=function(threadId,topic,city_id){
		getElementId("msgBox").innerHTML='';
		getElementId("msgBox2").innerHTML='';
		if(document.threadForm.title.value == ''){
			getElementId("msgBox").innerHTML="You must provide a subject for your new post.";
		}
		if(document.threadForm.thread.value == ''){
			getElementId("msgBox2").innerHTML="You must provide a body for your new post.";
		}
		if(document.threadForm.title.value != '' && document.threadForm.thread.value != ''){
			forumURL = GLOBAL_URI+"forum/previewReply/"+threadId+","+topic+","+city_id+"?ajaxcall=true";
			x = getElementId("threadForm");
			handleSuccess = function( o ){
				getElementId("postThreadDiv").innerHTML=o.responseText;
				//alert(o.responseText);
				//location.href=GLOBAL_URI+"forum/view/"+topicId;
			}
			callback={success:handleSuccess,failure:this.handleFailure}
			YAHOO.util.Connect.setForm(x);
			YAHOO.util.Connect.asyncRequest("POST", forumURL, callback);
		}
	}
	this.postThread=function(threadId,topicId,city_id){
			forumURL = GLOBAL_URI+"forum/addReply/"+threadId+"/"+topicId+"/"+city_id+".html?ajaxcall=true";
			x = getElementId("threadForm");
			handleSuccess = function( o ){
				if(parseInt(o.responseText) == 1){
				location.href=GLOBAL_URI+"forum/posts/"+threadId+"/"+topicId+"/"+city_id+".html";
				} else {getElementId("postThreadDiv").innerHTML=o.responseText;	}			
				}
			callback={success:handleSuccess,failure:this.handleFailure}
			YAHOO.util.Connect.setForm(x);
			YAHOO.util.Connect.asyncRequest("POST", forumURL, callback);
		}
	this.subscribeOptions=function(topicId){
		location.href = "#wrapper";
		getElementId('subscribeDialog').style.display='block';
		subscribeDialog.show();
		forumURL = GLOBAL_URI+"forum/subscribeForm/"+topicId+".html?ajaxcall=true";
		handleSuccess = function( o ){
				getElementId('subscribeOptions').innerHTML = o.responseText;
		}
		callback={success:handleSuccess,failure:this.handleFailure}
		YAHOO.util.Connect.asyncRequest("GET", forumURL, callback);
	}
	this.subscribe=function(){
		forumURL = GLOBAL_URI+"forum/subscribe/?ajaxcall=true";
		showLoading("subFormLoad");
		x = getElementId("subscribe");
		handleSuccess = function( o ){
			hideLoading("subFormLoad");
			getElementId('subscribeOptions').innerHTML = o.responseText;
		}
		callback={success:handleSuccess,failure:this.handleFailure}
		YAHOO.util.Connect.setForm(x);
		YAHOO.util.Connect.asyncRequest("POST", forumURL, callback);
	}
}