// JavaScript Document
var n = 20;
var f = false;
var b = new Array;
function prel(){

   	if(document.images) {
	  for(i=1;i<=n;i++)
               {str = 'https://t3leads.com/images/b' + i + '_o.gif';
               b[i-1] = new Image();
               b[i-1].src = str;
}f = true;
 		}
}
function on(im){
	if (document.images && (f == true)) 
		{document.images[im].src="https://t3leads.com/images/"+im+"_o.gif";}
		
}
function off(im){
	if (document.images && (f == true))
		{document.images[im].src = "https://t3leads.com/images/"+im+".gif";}
}

function markAllRows(id,len){
if(document.getElementById('post_'+id+'_0').checked==false)for ( var i = 0; i < len; i++ )document.getElementById('post_'+id+'_'+i).checked = true;else for ( var i = 0; i < len; i++ )document.getElementById('post_'+id+'_'+i).checked = false;
}