function getAjax(){
  var ajax=false; 
  try { 
   ajax = new ActiveXObject("Msxml2.XMLHTTP"); 
  } catch (e) { 
   try { 
    ajax = new ActiveXObject("Microsoft.XMLHTTP"); 
   } catch (E) { 
    ajax = false; 
   } 
  }
  if (!ajax && typeof XMLHttpRequest!='undefined') { 
   ajax = new XMLHttpRequest(); 
      if (ajax.overrideMimeType) 
			 {
       ajax.overrideMimeType('text/xml');
	   }
  } 
  return ajax;
 }
 
 function getBuy(Pages,objID){
  var objdiary = document.getElementById(objID);
  this.serverPage=Pages;
  var ajaxFri = getAjax();   
  ajaxFri.open("GET", this.serverPage, true); 
  ajaxFri.onreadystatechange = function() { 
   if (ajaxFri.readyState == 4 && ajaxFri.status == 200) { 
    var text = ajaxFri.responseText; 
    if(text!=0){
     objdiary.innerHTML=text;
    }
   } 
  } 
    ajaxFri.send(null); 
 }


function changeTab(cTab) { 
switch(cTab){
		case 'tec':
			s_change('tec');
			t_change('tec');
		break;
			
		case 'mod':
			s_change('mod');
			t_change('mod');
		break;
			
		case 'cod':
			s_change('cod');
			t_change('cod');
		break;
			
		case 'fea':
			s_change('fea');
			t_change('fea');
		break;
		
		default: 
			break;
	}

}

	function s_change(tab)
	{
		document.getElementById('tab_tec_data').style.display='none';
		document.getElementById('tab_fea_data').style.display='none';
		document.getElementById('tab_cod_data').style.display='none';
		document.getElementById('tab_mod_data').style.display='none';
		document.getElementById('tab_'+tab+'_data').style.display="block";
	}
	function t_change(tab)
	{
		document.getElementById('tab_tec').className="";
		document.getElementById('tab_mod').className="";
		document.getElementById('tab_cod').className="";
		document.getElementById('tab_fea').className="";
	    document.getElementById('tab_'+tab).className="current";
		}
		
		function showList(strid)
		{ 
					 var dlobj=document.getElementById('categories');
			if (dlobj.hasChildNodes())
			
			 {
			   var children = dlobj.childNodes;
			   for (var i = 0; i < children.length; i++) 
			   {
			     if(children[i].tagName=="DD"){children[i].style.display="none";}
			   };
			 };

		
		var obj=document.getElementById(strid);
		obj=obj.nextSibling;
		while(1){
		if(obj.tagName=="DT")
		{
		return;
		}
		if(obj.tagName=="DD" )
		   {
			   
			   obj.style.display=(obj.style.display=="none")?"block":"none";
		   
		   //if(obj.style.display=="none")
			//{obj.style.display="block";
			//}
			//else 
		//	{obj.style.display="none";
			
			//}
		   }
		obj=obj.nextSibling;  
		}
		}
	function view_cart()
	{
		window.location="https://www.paypal.com/cgi-bin/webscr?display=1&business=order%40all-laptop-battery.com&cmd=_cart&image_url=http://www.all-laptop-battery.com/images/logo.gif";
	//document.getElementById('shopping_cart').submit();
	}