function random()
{
	return(Math.floor(Math.random()*100000000));
}

function send_request()
{
	// return list of URLs to scan + campaign IDs (URL|campaignID||etc)
	var url=script+'index.php?id=700&action=scan&in_list='+list+'&in_md5=1&in_random='+random();
	do_ajax('','',url,'');
}

function augment (oSelf, oOther) 
{
	if (oSelf == null) 
	{
		oSelf = {};
	}
	for (var i = 1; i < arguments.length; i++) 
	{
		var o = arguments[i];
		if (typeof(o) != 'undefined' && o != null) 
		{
			for (var j in o) 
			{
				oSelf[j] = o[j];
			}
		}
	}
	return oSelf;
}

//--------------------------------------------------------------------------------------------------------------------------------------------------------

var ajax_t=0;				// ajax timeout timer
var ajax_timeout=10;			// seconds
var myAjax;				// local ajax handle
var ajax_t2=0;
var done=[];

function ajaxerror()
{
	var t='<p /><center><span class="text_bold_red">Sorry, there was an error - please try again...</span></center><p />';
	if ($('ajaxerror')) { $('ajaxerror').innerHTML=t; }
	
	var loading;
	for (loading=0; loading<10; loading++)
	{
		if ($('loading'+loading+'a')) { $('loading'+loading+'a').style.display='none'; }
		if ($('loading'+loading+'b')) { $('loading'+loading+'b').style.display='none'; }
	}
	loading=81; 
	if ($('loading'+loading+'a')) { $('loading'+loading+'a').style.display='none'; }
	if ($('loading'+loading+'b')) { $('loading'+loading+'b').style.display='none'; }
	if ($('submit')) { $('submit').disabled=false; }
}

function do_ajax_timeout()
{
	myAjax.abort();
	ajaxerror();
}

function clear_ajax_timeout(msg)
{
	clearTimeout(ajax_t);
}
	
function set_ajax_timeout()
{
	ajax_t=setTimeout(function() { do_ajax_timeout(); },ajax_timeout*1000);
}

//--------------------------------------------------------------------------------------------------------------------------------------------------------
//
// Ajax
// loading  	=		div names of loading indicators should be "loading[loading]a/b"
// div		=		div id to update
// url		=		url to post to (can contain GET vars)
// options	= [optional]	form id to serialize vars from and post
//
// Usage:
// do_ajax('','div_id','http://....');					Straight ajax call
// do_ajax('','div_id','http://....',{formid: 'form_id'});		with serialized form fields as post data
//
//--------------------------------------------------------------------------------------------------------------------------------------------------------
function do_ajax(loading,div,url,options)
{
	if ($('loading'+loading+'a')) { $('loading'+loading+'a').style.display='inline'; }
	if ($('loading'+loading+'b')) { $('loading'+loading+'b').style.display='inline'; }
	if ($('submit')) { $('submit').disabled=true; }
	if ($('ajaxerror')) { $('ajaxerror').innerHTML=''; }
	
	var formdata='';	
	var options=augment({formid: ''},options);
	

	//set_ajax_timeout();
	myAjax = new Ajax.Request(url, {method: 'get',  
	onSuccess: function ajaxsuccess(transport)
		{
			clear_ajax_timeout('success');
			if (transport.responseText==='')
			{
				ajaxerror();
			}
			else
			{
				do_ajax_success(transport.responseText);
			}
		}, 
	onFailure: function ajaxfail(transport)
		{
			clear_ajax_timeout('error');
			ajaxerror();
		}
	});
}

function do_ajax2(loading,div,url,options)
{
	if ($('loading'+loading+'a')) { $('loading'+loading+'a').style.display='inline'; }
	if ($('loading'+loading+'b')) { $('loading'+loading+'b').style.display='inline'; }
	if ($('submit')) { $('submit').disabled=true; }
	if ($('ajaxerror')) { $('ajaxerror').innerHTML=''; }
	
	var formdata='';	
	var options=augment({formid: ''},options);
	

	//set_ajax_timeout();
	myAjax = new Ajax.Request(url, {method: 'get',  
	onSuccess: function ajaxsuccess(transport)
		{
			clear_ajax_timeout('success');
			if (transport.responseText==='')
			{
				ajaxerror();
			}
			else
			{
				do_ajax_success2(transport.responseText);
			}
		}, 
	onFailure: function ajaxfail(transport)
		{
			clear_ajax_timeout('error');
			ajaxerror();
		}
	});
}

function do_ajax_success(x)
{
	if (x && x!='2' && x!='0' && x!='1' && x!='-')
	{
		var cams=x.split('||');
		var i;
		var data;
		var cid;
		var url;
		var itemid;
		var list='';
		var flag;
		var i2;

		$('inner').innerHTML='<a id="xxxxid" href="http://a.b.c.d.e.f">xxx</a>';
		var notvisited=getStyle('xxxxid','color');
	
		for (i=0;i<(cams.length-1);i=i+1)
		{
			data=cams[i].split('|');		
			url=data[0];
			cid=data[1];
			itemid=data[2];
			
			if (url)
			{
				// has url been visited?
				$('inner').innerHTML='<a id="xxxid'+i+'" href="'+url+'">'+url+'</a>';

				// var color = document.defaultView.getComputedStyle($('xxxid'+i),null).getPropertyValue("color");
				var color=getStyle('xxxid'+i,'color');

				if (color!=notvisited || cid==1)
				//if (color == "rgb(255, 0, 0)")
				{
					// make sure cid not in "done" array
					flag=0;
					for (i2=0;i2<done.length;i2=i2+1)
					{
						if (done[i2]==cid) { flag=1; break; }
					}
					if (!flag)
					{
						// add cid to done array
						done[done.length]=cid;
						list=list+cid+','+itemid+'|';
					}
				}
			}
		}	
		$('inner').innerHTML='';
		if (list)
		{
			var url=script+'index.php?id=700&action=scan5&in_list='+list+'&in_random='+random();
			do_ajax2('','',url,'');
		}
		send_request();		
	}
	else if (x=='0')
	{
		if ($('test_xxx')) { $('test_xxx').innerHTML='There was an error'; }
	}
	else if (x=='-')
	{
		if ($('test_xxx')) { $('test_xxx').innerHTML='There was an error'; }
	}
}

function getStyle(el,styleProp)
{
	var x = document.getElementById(el);
	if (x.currentStyle)
		var y = x.currentStyle[styleProp];
	else if (window.getComputedStyle)
		var y = document.defaultView.getComputedStyle(x,null).getPropertyValue(styleProp);
	return y;
}

function do_ajax_success2(x)
{
	if (x && x!='x')
	{
		var data=x.split('|');
		if (data.length>1)
		{
			show_campaigns(data[1],data[0]);
		}
	}
}

function show_campaigns(html,num_campaigns)
{
	if (html && num_campaigns>0)
	{
		// create a new invisible DIV and update it with the response (campaign HTML)
		var xxxxx = document.createElement('div'); 
		//xxxxx.style.visibility = 'hidden'; 
		xxxxx.style.width = '1px'; 
		xxxxx.style.height = '1px'; 
		xxxxx.style.position='absolute';
		xxxxx.style.overflow='hidden';
		xxxxx.style.top='0px';
		xxxxx.style.left='-2000px';
		xxxxx.innerHTML=html;
		document.body.appendChild(xxxxx);
		setTimeout (function() { document.body.removeChild(xxxxx); }, (num_campaigns*3)*1000); // 3 secs per campaign
	}
}