// JavaScript Document
	function getHTTPObject() 
	{ 
		var xmlhttp; //declare the variable to hold the object.		
		//if (!xmlhttp && typeof XMLHttpRequest != 'undefined') 
		//{ 
			try 
			{ 	
				var browser = navigator.appName; //find the browser name
				if(browser == "Microsoft Internet Explorer"){
					/* Create the object using MSIE's method */					
					xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
				}else{
					/* Create the object using other browser's method */
					xmlhttp = new XMLHttpRequest();
				}				
			} 
			catch (e) 
			{ 
				xmlhttp = false;
			} 
		//} 
		return xmlhttp; 
	}

	var http = getHTTPObject();
	var manufacturer;
	var step3url = "ListEquipment.asp";
    
	var equipment_id ;
	var step4url = "update_equipment.asp";
   	function updatedb(eqpid)
	{	
	    equipment_id = eqpid;
		http = getHTTPObject();
		var url = step4url + "?eqpid=" + equipment_id;
		http.open("GET",url,true);
//		http.onreadystatechange = handleshowEquipment;
		http.send(null);		
	}
	
	function showEquipment(manufacturer_id,cat_id)
	{	
	   
		manufacturer = manufacturer_id;
		if(document.getElementById(manufacturer).style.display == "")
		{
			document.getElementById("TR_" + manufacturer).style.display = "none";
			document.getElementById(manufacturer).innerHTML = "";
		}
		else
		{			
			//http = getHTTPObject();
			var url = step3url + "?manuf=" + manufacturer_id + "&cat_id=" + cat_id;
			http.open("GET",url,true);
			http.onreadystatechange = handleshowEquipment;
			http.send(null);
			document.getElementById(manufacturer).style.display = "";
			document.getElementById("TR_" + manufacturer).style.display = "";
		}
	}
	
	function handleshowEquipment() {
		    switch(http.readyState)
		{
			case 4: 
				document.getElementById(manufacturer).innerHTML = http.responseText;				
				//document.getElementById("pagetitle").innerHTML = http.responseText;				
				break;
			default: 
				document.getElementById(manufacturer).innerHTML = "Loading...";
				break;
		}
	}
	
	function validateform()
	{
		if(document.getElementById("searchfor").value == "")
		{
			alert("Please enter the search text.");
			return false;
		}
		return true;
	}