min_msg_cola=30;tv_mode=0;scroll_time=1000;sms_buffer=new Array();last_buffered_sms_id=0;$(document).ready(function(){loadData();window.setInterval('loadData()',20000);window.setInterval('showSms()',5000)});function loadData(){if(document.getElementById('mensajes').childNodes.length==0){$.ajax({type:"POST",url:'get_xml.php',dataType:"xml",success:function(data){showFirst(data)}})}else{$.ajax({type:"POST",url:'get_xml.php'+"?dummy=0&from_id="+last_buffered_sms_id,dataType:"xml",success:function(data){fillBuffer(data)}})}}function showFirst(data){var sms_group=data.documentElement.childNodes[0];var total_childs=sms_group.childNodes.length;if(total_childs>0){for(i=0;i<total_childs;i++){var sms=new Array(4);sms[0]=sms_group.getElementsByTagName('ID')[i].firstChild.nodeValue;sms[1]=sms_group.getElementsByTagName('PHONE')[i].firstChild.nodeValue;sms[2]=sms_group.getElementsByTagName('TEXT')[i].firstChild.nodeValue;document.getElementById('mensajes').appendChild(generate_sms(sms,true))}$('#mensajes').scrollTo('100%',{duration:200});last_buffered_sms_id=document.getElementById('mensajes').lastChild.getAttribute('id')}}function fillBuffer(data){var sms_group=data.documentElement.childNodes[0];var total_childs=sms_group.childNodes.length;if(total_childs>0){for(i=0;i<total_childs;i++){var sms=new Array(4);sms[0]=sms_group.getElementsByTagName('ID')[i].firstChild.nodeValue;sms[1]=sms_group.getElementsByTagName('PHONE')[i].firstChild.nodeValue;sms[2]=sms_group.getElementsByTagName('TEXT')[i].firstChild.nodeValue;sms_buffer.push(sms)}var buffer_size=sms_buffer.length;if(buffer_size>0){last_buffered_sms_id=sms_buffer[buffer_size-1][0]}else{last_buffered_sms_id=document.getElementById('mensajes').lastChild.getAttribute('id')}}}function showSms(){if(tv_mode==0){if(is_scroll_down()){var do_move=true}}else{var do_move=true}if(sms_buffer.length>0){var extracted_sms=sms_buffer.shift();document.getElementById('mensajes').lastChild.className='sms';document.getElementById('mensajes').appendChild(generate_sms(extracted_sms));if(do_move){moveTo('max')}if(document.getElementById('mensajes').childNodes.length>min_msg_cola){setTimeout('deleteFirst()',5000)}}}function generate_sms(sms,first_run){var mensaje=document.createElement("div");var newE=document.createElement("div");var texto=document.createTextNode(sms[1]);newE.appendChild(texto);newE.className='tlf';mensaje.appendChild(newE);var newE=document.createElement("div");var texto=document.createTextNode(sms[2]);newE.appendChild(texto);newE.className='texto_mensaje';mensaje.appendChild(newE);mensaje.setAttribute('id',sms[0]);if(first_run){mensaje.className='sms'}else{mensaje.className='ultimo_sms'}return(mensaje)}function moveTo(position){$('#mensajes').scrollTo(position,{duration:scroll_time})}function deleteFirst(){if(is_scroll_down()){document.getElementById('mensajes').removeChild(document.getElementById('mensajes').firstChild)}}function is_scroll_down(){if(((document.getElementById('mensajes').scrollHeight-$('#mensajes').scrollTop())>=$('#mensajes').height())&&((document.getElementById('mensajes').scrollHeight-$('#mensajes').scrollTop())<=$('#mensajes').height()+30)){return true}}