/* -----------------------------------------------------------------
// One field to search them all.
//
// Generic Search for PostNL
// Generic scripts with dependency on PostNL framework/scripts
// Make sure the Page object has loaded first or this will fail.
//
// Build: 20071204
//
// Copyright 2007, PostNL
----------------------------------------------------------------- */
// Initialize one field form
PostscanKickStart = function() {
	if (window.page) {
		window.postscan = new Postscan();
	}
	else {
		// try again in x milliseconds
		setTimeout("PostscanKickStart()", 100); 
	}
}
PostscanKickStart(); 

// Set event listeners
addEvent(window, "unload", function(){
	if (window.postscan) { window.postscan.destroy(); }
});

/* -----------------------------------------------------------------
// Main one field form object
----------------------------------------------------------------- */

Postscan = function() {
	
	if (!window.page.hasSupport()) return;

	this.sSearchUri = "http://www.postnl.nl/zakelijk/postadvies";
	this.searchWidth = 920;
	
	this.psoverlay.init(); // Prepare one field search	
	this.flashvars = {
    sessionID: "vua5odirptjesh55sphd1w55"
  };
  this.flashparams = {
    menu: "true"
  };
  this.flashattributes = {
    id: "flashContent",
    name: "flashContent"
  };
}

// Helper function to clean up the onefield object
Postscan.prototype.destroy = function() {
	
	if(!window.page.hasSupport()) return;
	
	// Kill objects to prevent memory leaks due to closures. - TODO!

}

/* -----------------------------------------------------------------
// OS form helpers/methods/properties/...
----------------------------------------------------------------- */
// Function to do search
Postscan.prototype.open = function(){
	this.psoverlay.show();
	this.load();
};

Postscan.prototype.load = function() {
	var xmlhttp = null;
	if (window.XMLHttpRequest) {
		xmlhttp = new XMLHttpRequest();
	}
	else if (window.ActiveXObject) {
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	}
	if (xmlhttp == null) { 
		this.psoverlay.hide();
		return;
	}
	// Build link to Search URI.
	var url = this.sSearchUri
		+ "?output=html&rnd=" + (new Date().getTime())
	var self = this;
	//alert(url);
	xmlhttp.open("GET", url, true);
	xmlhttp.onreadystatechange=function() {
	 if (xmlhttp.readyState == 4) { // We've got a result back
		if (xmlhttp.status == 200) { // And it's valid
			var oSearch = document.getElementById("onefield-search");
			var oSearchContent = document.getElementById("ofs-content");
			var oLoader = document.getElementById("onefield-loader");
			oSearchContent.innerHTML = xmlhttp.responseText;
			swfobject.embedSWF("swf/PostScanPreloader.swf", "postScan", "830", "470", "9.0.0", "swf/expressInstall.swf", self.flashvars, self.flashparams, self.flashattributes);
			
			// show the results...
			oSearch.style.display = "block";
			oLoader.style.display = "none";
			oSearch.style.marginLeft = "-" + parseInt((self.searchWidth / 2),10) + "px";
			oSearch.style.width = self.searchWidth + "px";
			var winHeight = (window.innerHeight || self.innerHeight || (document.documentElement&&document.documentElement.clientHeight) || document.body.clientHeight) - 40;
			oSearch.style.height = (winHeight) + "px";
			oSearchContent.style.height = (winHeight-87) + "px";
			if (!(navigator.userAgent.indexOf("MSIE 6.0") != -1)) {
				oSearch.style.marginTop = "-" + parseInt((winHeight / 2),10) + "px";
			};
			tickle();
		}
		else {
			// Something went wrong (not found|forbidden|?)
			self.psoverlay.hide();
		};
		xmlhttp = null;
	 }
	}
	xmlhttp.send(null);
};

/*/ Function to show search
Postscan.prototype.show = function() {
	this.psoverlay.show();
  var oSearch = document.getElementById("onefield-search");
  var oSearchContent = document.getElementById("ofs-content");
  var oLoader = document.getElementById("onefield-loader");
  oSearchContent.innerHTML = xmlhttp.responseText;
  // show the results...
  oSearch.style.display = "block";
  oLoader.style.display = "none";
  oSearch.style.marginLeft = "-" + parseInt((self.searchWidth / 2),10) + "px";
  oSearch.style.width = self.searchWidth + "px";
  var winHeight = (window.innerHeight || self.innerHeight || (document.documentElement&&document.documentElement.clientHeight) || document.body.clientHeight) - 40;
  oSearch.style.height = (winHeight) + "px";
  oSearchContent.style.height = (winHeight-87) + "px";
  if (!(navigator.userAgent.indexOf("MSIE 6.0") != -1)) {
    oSearch.style.marginTop = "-" + parseInt((winHeight / 2),10) + "px";
  };
  tickle();
};*/
// Search divs (rework of jQuery's Thickbox)
Postscan.prototype.psoverlay = {
	init : function() {
		// preload stuff...
		this.loadimg = new Image();// preload image
		this.loadimg.src = "/img/onefield/loadingAnimation.gif";
	},
	show : function() {
		var oBody = document.getElementsByTagName("body")[0];
		// create overlay
		var oOverlay = document.createElement("div");
		oOverlay.id = "onefield-overlay";
		oOverlay.className = "onefield-overlayBG";
		oOverlay.onclick = this.hide;
		if(document.all){ // IE only iframe
			var oOverlayIFrame = document.createElement("iframe");
			oOverlayIFrame.id = "onefield-hideSelects";	
			oOverlayIFrame.frameBorder = 0;
			oOverlayIFrame.scrolling = "no";
			oOverlayIFrame.src = "about:blank";
			oBody.appendChild(oOverlayIFrame);
			oOverlayIFrame = null;
		}
		// create search
		var oSearch = document.createElement("div");
		oSearch.id = "onefield-search";
		oSearch.innerHTML = "<div id=\"ofs-head\"><div id=\"ofs-close\"><a href='#' onclick=\"postscan.psoverlay.hide();\">Sluit venster</a></div></div><div id=\"ofs-content\"></div><div id=\"ofs-foot\"></div>";
		// create loader
		var oLoader = document.createElement("div");
		oLoader.id = "onefield-loader";
		oLoader.innerHTML = "<img src=\""+this.loadimg.src+"\" />";
		// Append to body
		oBody.appendChild(oOverlay);
		oBody.appendChild(oSearch);
		oBody.appendChild(oLoader);
		oOverlay = null;
		oSearch = null;
		oLoader = null;
	},
	hide : function() {
		// remove one field layers
		var oBody = document.getElementsByTagName("body")[0];
		var oOverlay = document.getElementById("onefield-overlay");
		oOverlay.onclick = null;
		var oOverlayIFrame = document.getElementById("onefield-hideSelects");
		var oSearch = document.getElementById("onefield-search");
		var oLoader = document.getElementById("onefield-loader");
		oBody.removeChild(oSearch);
		oBody.removeChild(oLoader);
		if (oOverlayIFrame) { oBody.removeChild(oOverlayIFrame); };
		oBody.removeChild(oOverlay);
	}
};

/*	SWFObject v2.0 <http://code.google.com/p/swfobject/>
	Copyright (c) 2007 Geoff Stearns, Michael Williams, and Bobby van der Sluis
	This software is released under the MIT License <http://www.opensource.org/licenses/mit-license.php>
*/
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