function myopen(filename,windowname,properties)
	{
	mywindow = window.open(filename,windowname,properties);
	}

function getXMLHTTPRequest()
	{
	var request = false;

	if (window.XMLHttpRequest)
		{
		request = new XMLHttpRequest();
		}
	else
		{
		if (window.ActiveXObject)
			{
			try
				{
				request = new ActiveXObject("Msml2.XMLHTTP");
				}
			catch (err1)
				{
				try
					{
					request = new ActiveXObject("Microsoft.XMLHTTP");
					}
				catch (err2)
					{
					request = false;
					}
				}
			}
		}

	return request;
	}

var myRequest = getXMLHTTPRequest();

function getMethod(myurl, query, div_name)
	{
	var myRand = new Date().getTime();
	var modurl = myurl + "?" + query + "&rand=" + myRand;
	myRequest.open("GET", modurl, true);
	myRequest.onreadystatechange = useHttpResponse(div_name);
	myRequest.send(null);
	}

var div_id = '';

function postMethod(myurl, query, div_name, thisform)
	{
	if (thisform)
		{
		var query = '';

		for (i=0,n=thisform.elements.length;i<n;i++)
			{
			if (thisform.elements[i].type == 'radio')
				{
				if (thisform.elements[i].checked == true)
					{
					query = query + '&' + escape(thisform.elements[i].name) + '=' + escape(thisform.elements[i].value);
					}
				}
			else if (thisform.elements[i].type == 'checkbox')
				{
				if (thisform.elements[i].checked == true)
					{
					query = query + '&' + escape(thisform.elements[i].name) + '=' + escape(thisform.elements[i].value);
					}
				}
			else
				{
				query = query + '&' + escape(thisform.elements[i].name) + '=' + escape(thisform.elements[i].value);
				}
			}
		}

	div_id = div_name;
	myRequest.open("POST", myurl, true);
	myRequest.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	myRequest.onreadystatechange = useHttpResponse;
	myRequest.send(query);
	}

function useHttpResponse()
	{
	if (myRequest.readyState == 4)
		{
		if (myRequest.status == 200)
			{
			var response = myRequest.responseText;
//			document.getElementById(div_id).innerHTML = response;
			sethtml(div_id,response);
			}
		else
			{
			alert("An error has occured:" + myRequest.statusText);
			}
		}
	}

function sethtml(div,content) { 
         var search = content; 
         var script; 
         var is_singleq = 0; var singleq = "'"; 
         var is_doubleq = 0; var doubleq = '"'; 
         var is_escaped = 0; var escap = "\\"; 
         var layer = 0; 
                
         while( script = search.match(/(<script[^>]+javascript[^>]+>\s*(<!--)?)/)) { 
            search = search.substr(search.indexOf(RegExp.$1) + RegExp.$1.length); 
            if (!(endscript = search.match(/((-->)?\s*<\/script>)/))) break; 
            block = search.substr(0, search.indexOf(RegExp.$1)); 
            search = search.substring(block.length + RegExp.$1.length); 
             
            while(func = block.match(/(function(.+?)\((.*?)\)\s*\{)/)) { 
               eval(block.substr(0,block.indexOf(RegExp.$1))); 
               // for evaluating non functions 
                
               block = block.substr(block.indexOf(RegExp.$1) + RegExp.$1.length); 
               name = RegExp.$2; 
               param = RegExp.$3; 
                
               is_singleq = 0; 
               is_doubleq = 0; 
               is_escaped = 0; 
               layer = 0; 
                
                
               for(i=0;i<block.length;i++) { 
                  c = block.substr(i,1); 
                   
                  if ((is_singleq || is_doubleq) && is_escaped) { 
                     is_escaped = 0; 
                  } else if (!is_doubleq && (c==singleq)) { 
                     is_singleq = !is_singleq; 
                  } else if (!is_singleq && (c==doubleq)) { 
                     is_doubleq = !is_doubleq; 
                  } else if ((is_singleq || is_doubleq) && (c==escap)) { 
                     is_escaped = 1; 
                  } else if ( c=="{") { 
                     layer++; 
                  } else if ( c=="}") { 
                     if ( layer==0 ) { 
                        break; 
                     } 
                     layer--; 
                  } 
               } 
                
               code = block.substr(0,i-1); 
               block = block.substr(i +1); 
                
               code = code.replace(/\n/g, '\\n'); 
               code = code.replace(/\r/g, '\\r'); 
               code = code.replace(/'/g,"\\'"); 
                
               eval(name + " = new Function('"+param+"','"+code+"');"); 
            } 
            eval(block); // for evaluating non functions 
         } 
         document.getElementById(div).innerHTML=content; 
      }

function display_message(div_id, msg)
	{
	document.getElementById(div_id).innerHTML = msg; 
	}

function show_hide_section(id)
	{
	if (document.getElementById(id).style.display == 'none')
		{
		document.getElementById(id).style.display = 'block';
		}
	else
		{
		document.getElementById(id).style.display = 'none';
		}
	}