function epforward1(st,ed)
{
	
	largeName = '';
	urlu= '?action=eventNewAlbumList&start='+st+'&end='+ed+'&flow=forw';
	par = 'start='+st+'&end='+ed+'&flow=forw';
	
	retrieveEventURLPhoto(par,urlu) ;
}


function eprevers1(st,ed)
{
 
	largeName = '';
	urlu= '?action=eventNewAlbumList&start='+st+'&end='+ed+'&flow=rev';
	par = 'start='+st+'&end='+ed+'&flow=rev';
	retrieveEventURLPhoto(par,urlu) ;
}


function retrieveEventURLPhoto(par,url) 
{ 
	if (window.XMLHttpRequest) 
	{ // Non-IE browsers
			http_request = new XMLHttpRequest();
	}
	else if (window.ActiveXObject) 
	{ // IE browsers
		http_request = new ActiveXObject("Microsoft.XMLHTTP");
	}
	if (http_request) 
	{   		
	
		parameters="";
		http_request.onreadystatechange = processStateChangeEventPhoto;
		http_request.open('GET', url, true);
/*		http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		http_request.setRequestHeader("Content-length", parameters.length);
		http_request.setRequestHeader("Connection", "close");*/
		http_request.send(parameters);
		//http_request.send(NULL);
	}
}

function processStateChangeEventPhoto()
{	
	if (http_request.readyState == 4) 
    { // Complete 
	  
		if (http_request.status == 200) 
      	{ // OK response
        	var returnValue = http_request.responseText;
        	//alert(returnValue);
        
	        	document.getElementById('tagflag').innerHTML="";
	        	document.getElementById('tagflag').innerHTML=returnValue;
	          
        	
        	
        	
      	}
    } 
}