function loadOrder(transaction_id) { 
	location = "load_order.php?OrderTransIDP=" + escape(transaction_id); 
}


	function findUser() { 
		var cwin = window.open("../users/search.php?Search=true", "FindUser", "width=770,height=500,scrollbars,resizable");
		cwin.focus(); 
	}

	function findVendor() { 
		var cwin = window.open("../vendors/search.php?Search=true", "FindVendor", "width=770,height=500,scrollbars,resizable");
		cwin.focus(); 
	}   

	function ValidEmail (str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return false
		 }

 		 return true					
	}

	function onChangeSubCategory(sub_cat_elt, data_source_id)
	{
		if (sub_cat_elt.selectedIndex <= 0) { 
			return; 
		}   // if 
		var sub_cat_id = sub_cat_elt.value; 

		var xmlHttpReq = false;
		var self = this;
		// Mozilla/Safari
		if (window.XMLHttpRequest) {
			self.xmlHttpReq = new XMLHttpRequest();
		}
		// IE
		else if (window.ActiveXObject) {
			self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
		}
		var strURL = "/admin/products/get_cartridges.php?SC=" + sub_cat_id + "&Product_Data_Source=" + data_source_id;
		self.xmlHttpReq.open('GET', strURL, true);
		self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		self.xmlHttpReq.onreadystatechange = function() {
			if (self.xmlHttpReq.readyState == 4) {
				var productsMenu = document.getElementById('ProductIdP'); 	
				if (productsMenu == null) { 
					productsMenu = document.getElementById('ProductIdP[]'); 
				}   // if 
				loadCartridgeData(productsMenu, self.xmlHttpReq.responseText);
			}
		}
		self.xmlHttpReq.send("");
	}   // onChangeSubCategory 

	function onChangeCategoryInkData(category_elt,
				   ink_type_elt,
				   data_source_id)
	{
		if (category_elt.selectedIndex <= 0 ||
		    ink_type_elt.selectedIndex <= 0) { 
			return; 
		}   // if 
		var category_id = category_elt.value; 
		var ink_type_id = ink_type_elt.value; 

		var url = "/admin/products/get_printers.php";  
		var paramsArray = new Array();
		paramsArray[paramsArray.length] = "C=" + category_id;
		paramsArray[paramsArray.length] = "ITD=" + ink_type_id; 
		paramsArray[paramsArray.length] = "Product_Data_Source=" + data_source_id;
		paramStr = paramsArray.join("&"); 
		var responseData = $.ajax({
			type: "POST",
			url: url,
			data: paramStr,
			dataType: "text", 
			async: false, 
			error: function(request, msg){
				alert( "Error upon saving request: " + msg );
			}, 
			success: function(request) { 
				// alert( "Saved" ); 
			} 
		});
		var responseText = responseData.responseText;
		var printers_elt = document.getElementById('SC'); 
		if (printers_elt == null) { 
			printers_elt = document.getElementById('SC[]'); 
		}   // if 	
		loadPrinterData(printers_elt, responseText);

		var productsMenu = document.getElementById('ProductIdP[]'); 
		if (productsMenu) { 
			var url = "/admin/products/get_cartridges.php?C=" + category_id + "&ITD=" + ink_type_id;  
			var responseData = $.ajax({
				type: "POST",
				url: url,
				data: paramStr,
				dataType: "text", 
				async: false, 
				error: function(request, msg){
					alert( "Error upon saving request: " + msg );
				}, 
				success: function(request) { 
					// alert( "Saved" ); 
				} 
			});
			var responseText = responseData.responseText;
			loadCartridgeData(productsMenu, responseText);
		}   // if 
	}   // onChangeCategoryInkData  

	function onChangeCartridgeData(cartridge_elt, data_source_id)
	{
		if (cartridge_elt.selectedIndex <= 0) { 
			return; 
		}   // if 
		var cartridge_id = cartridge_elt.value; 

		var url = "/admin/products/get_printers.php";  
		var paramsArray = new Array();
		paramsArray[paramsArray.length] = "ProductIdP=" + cartridge_id;
		paramsArray[paramsArray.length] = "Product_Data_Source=" + data_source_id;
		paramStr = paramsArray.join("&"); 
		var responseData = $.ajax({
			type: "POST",
			url: url,
			data: paramStr,
			dataType: "text", 
			async: false, 
			error: function(request, msg){
				alert( "Error upon saving request: " + msg );
			}, 
			success: function(request) { 
				// alert( "Saved" ); 
			} 
		});
		var responseText = responseData.responseText;
		loadPrinterData(document.getElementById('SC'), responseText);
	}   // onChangeCartridgeData 

	function loadCategoryData(ink_type_elt)
	{
		var cat_elt = document.getElementById('C'); 
		var data_src_elt = document.getElementById('Product_Data_Source'); 
		if (!cat_elt)
			return; 
		// Preserve what item was selected
		var selectedVal = cat_elt.value; 
		var url = "/admin/products/get_categories.php";  
		$.get(url,
			{ ITD: ink_type_elt.value, Product_Data_Source: data_src_elt.value },
			function(data){
				loadSingleMenuElt(cat_elt, data); 	
				cat_elt.value = selectedVal; 
			}
		); 
	}   // loadCateogryData   

	function loadPrinterData(sub_cat_elt,
				 data)
	{
		if (sub_cat_elt.size > 1) { 
			loadMultipleMenuElt(sub_cat_elt, data); 
		} else {  	
			loadSingleMenuElt(sub_cat_elt, data); 	
		}   // if 
	}   // loadPrinterData

	function loadCartridgeData(prod_elt,
				 data)
	{
		if (prod_elt &&
		    prod_elt.type == "select-one") { 
			loadSingleMenuElt(prod_elt, data); 
		} else if (prod_elt &&
			   prod_elt.type != "select-one") { 
			loadMultipleMenuElt(prod_elt, data); 	
		}   // if 
	}   // loadCartridgeData

	function loadSingleMenuElt(elt, data) { 
		var default_text = elt.options[0].text; 
		elt.options.length = 0;
		var nameValuePairs = data.split("\n"); 
		elt.options[0] = new Option(default_text, ""); 
		for (var i=0; i<nameValuePairs.length; i++) { 
			if (trim(nameValuePairs[i]) != "") { 	
				var pair = nameValuePairs[i].split("="); 
				var val = pair[0]; 
				var text = pair[1]; 	
				elt.options[elt.options.length] = new Option(text, val); 
			}   // if 
		}   // for 
	}   // loadMenuElt

	function loadMultipleMenuElt(elt, data) { 
		elt.options.length = 0;
		var nameValuePairs = data.split("\n"); 
		for (var i=0; i<nameValuePairs.length; i++) { 
			if (trim(nameValuePairs[i]) != "") { 	
				var pair = nameValuePairs[i].split("="); 
				var val = pair[0]; 
				var text = pair[1]; 	
				elt.options[elt.options.length] = new Option(text, val); 
			}   // if 
		}   // for 
	}   // loadMultipleMenuElt