var proshopmax = 2-1;
var proshopmin = 0;
var proshopcur = 0;

function GetXmlHttpObject()
{
	var xmlHttp=null;
	try {  
  		xmlHttp=new XMLHttpRequest();// Firefox, Opera 8.0+, Safari
  	} catch (e) {
  		try {
    		xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");	// Internet Explorer
    	} catch (e) {
    		xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
   		}
    }

	return xmlHttp;
}

function showProshopNews(id) {   	   		
    document.getElementById("proshopnewsscroller").innerHTML = "Loading";
   	var xmlHttp = GetXmlHttpObject();
    var url = "showproshopnews.php?id=" + id;
    xmlHttp.open("GET",url,true);
    xmlHttp.onreadystatechange=function() {     
        if (xmlHttp.readyState==4) {                     
           document.getElementById("proshopnewsscroller").innerHTML = xmlHttp.responseText;		
        }   
    }
    xmlHttp.send(null);
    if(proshopmax == proshopcur) {
    	proshopremoveRight();
    	proshopplaceLeft();
    } else if(proshopmin == proshopcur) {
    	proshopplaceRight();
    	proshopremoveLeft();
    } else {
    	proshopplaceRight();
    	proshopplaceLeft();
    }
    
}

var proshoptimer;
var proshopresumeTimer;

function proshoploadFirst() {	
	showProshopNews(proshopcur);
	clearInterval(proshoptimer);
	proshopplaceRight();
	//proshoptimer = setInterval ( "proshopautoScroll()", 10000);	
}


function proshopautoScroll()
{	
    
   
	clearInterval ( proshopresumeTimer );	
	if(proshopcur < proshopmax) {
		proshopcur = proshopcur + 1;
	} else {
		proshopcur = proshopmin;		
	}		
	 showProshopNews(proshopcur);
	
}


function proshopgoNext() 
{	
	clearInterval ( proshoptimer );
	clearInterval(proshopresumeTimer);	
	
	if((proshopcur + 1) <= proshopmax) {
		proshopcur = proshopcur + 1;
	} else {
		proshopcur = proshopmin;		
	}		

	showProshopNews(proshopcur);

}

function proshopgoLast()
{		
	clearInterval ( proshoptimer );
	clearInterval(proshopresumeTimer);

	if((proshopcur - 1) >= proshopmin) {
		proshopcur = proshopcur - 1;
	} else {
		proshopcur = proshopmax;		 
	}
		
	showProshopNews(proshopcur);    	
}


function proshopplaceLeft()
{
	var elem = document.getElementById("proshop_left");
	elem.innerHTML = "<a onClick='proshopgoLast();'>Prev</a>";
}

function proshopremoveLeft()
{
	var elem = document.getElementById("proshop_left");
	elem.innerHTML = "";
}

function proshopplaceRight()
{ 
	
	var elem = document.getElementById("proshop_right");
	elem.innerHTML = "<a onClick='proshopgoNext();'>Next</a>";
}

function proshopremoveRight()
{
	var elem = document.getElementById("proshop_right");
	elem.innerHTML = "";
}