//\/////
//\  overLIB Hide Form Plugin
//\  This file requires overLIB 4.00 or later.
//\
//\  Uses an iframe shim to mask system controls for IE v5.5 or higher as suggested in
//\  http://dotnetjunkies.com/weblog/jking/posts/488.aspx
//\
//\  overLIB 4.00 - You may not remove or change this notice.
//\  Copyright Erik Bosrup 1998-2004. All rights reserved.
//\  Contributors are listed on the homepage.
//\  See http://www.bosrup.com/web/overlib/ for details.
//   $Revision: 1.12.2.1 $                $Date: 2004/03/23 16:29:38 $
//\/////

if (typeof olInfo == 'undefined' || olInfo.simpleversion < 400)
{
	//alert('overLIB 4.00 or later is required for the HideForm Plugin.');
}
else
{
	// Function which generates the popup with an IFRAME shim
	function generatePopUp(content) {
		if(!olIe4||olOp||!olIe55||(typeof o3_shadow != 'undefined' && o3_shadow)||(typeof o3_bubble != 'undefined' && o3_bubble)) return;

		var wd,ht,txt, zIdx =  0;
		wd =  parseInt(o3_width-48);
		//wd =  parseInt(o3_width);
		//alert(wd) - testing
		ht =  over.offsetHeight;
		txt =  bckDropSrc(wd,ht,zIdx++);
		txt += '<div style="position: absolute; top: 0; left: 0; width: '+ wd+'px; z-index: ' + zIdx + ';">' + content + '</div>';
		layerWrite(txt);
	}

	// Code for the IFRAME which is used in other places
	function bckDropSrc(width, height, Z) {
		return '<iframe frameborder="0" scrolling="no" src="" width="' + width + '" height="' + height + '" style="z-index: ' + Z + '; filter: Alpha_NOTUSED(Style=0,Opacity=0);"></iframe>';
	}

	// Hides SELECT boxes that will be under the popup
	// Checking Gecko version number to try to include other browsers based on the Gecko engine
	function hideSelectBox() {
		if(olNs4 || olOp || olIe55) return;
		var px, py, pw, ph, sx, sw, sy, sh, selEl, v;

		if(olIe4) v = 0;
		else {
			v = navigator.userAgent.match(/Gecko\/(\d{8})/i);
			if(!v) return;   // return if no string match
			v = parseInt(v[1]);
		}

		if (v < 20030624) {  // versions less than June 24, 2003 were earlier Netscape browsers
			px = parseInt(over.style.left);
			py = parseInt(over.style.top);
			pw = o3_width;
			ph = (o3_aboveheight ? parseInt(o3_aboveheight) : over.offsetHeight);
			selEl = (olIe4) ? o3_frame.document.all.tags("SELECT") : o3_frame.document.getElementsByTagName("SELECT");
			for (var i=0; i<selEl.length; i++) {
				if(!olIe4 && selEl[i].size < 2) continue;  // Not IE and SELECT size is 1 or not specified
				sx = pageLocation(selEl[i],'Left');
				sy = pageLocation(selEl[i],'Top');
				sw = selEl[i].offsetWidth;
				sh = selEl[i].offsetHeight;
				if((px+pw) < sx || px > (sx+sw) || (py+ph) < sy || py > (sy+sh)) continue;
				selEl[i].isHidden = 1;
				selEl[i].style.visibility = 'hidden';
			}
		}
	}

	// Shows previously hidden SELECT Boxes
	function showSelectBox() {
		if(olNs4 || olOp || olIe55) return;
		var selEl, v;

		if(olIe4) v = 0;
		else {
			v = navigator.userAgent.match(/Gecko\/(\d{8})/i);
			if(!v) return; 
			v = parseInt(v[1]);
		}

		if(v < 20030624) {
			selEl = (olIe4) ? o3_frame.document.all.tags("SELECT") : o3_frame.document.getElementsByTagName("SELECT");
			for (var i=0; i<selEl.length; i++) {
				if(typeof selEl[i].isHidden !=  'undefined' && selEl[i].isHidden) {
					selEl[i].isHidden = 0;
					selEl[i].style.visibility = 'visible';
				}
			}
		}
	}

	// function gets the total offset properties of an element
	// this same function occurs in overlib_mark.js.
	function pageLocation(o,t){
		var x = 0

		while(o.offsetParent){
			x += o['offset'+t]
			o = o.offsetParent
		}

		x += o['offset'+t]

		return x
	}

	// reset mouse move routine for NS7 but not NS7.1,Opera, or IE5.5+
	// It also bypasses Netscape 6 since the modifications mess up the display of popups
	// and don't work anyways.
	// Modify mouse move routine while loading so that hideSelectBox()
	// can be called from the correct location
	if (!(olNs4 || olOp || olIe55 || navigator.userAgent.indexOf('Netscape6') != -1)) {
		var MMStr = olMouseMove.toString();
		var strRe = /(if\s*\(o3_allowmove\s*==\s*1.*\)\s*)/;
		var f = MMStr.match(strRe);

		if (f) {
			var ls = MMStr.search(strRe);
			ls += f[1].length;
			var le = MMStr.substring(ls).search(/[;|}]\n/);
			MMStr = MMStr.substring(0,ls) + ' { runHook("placeLayer",FREPLACE); if(olHideForm) hideSelectBox(); ' + MMStr.substring(ls + (le != -1 ? le+3 : 0));
			document.writeln('<script type="text/javascript">\n<!--\n' + MMStr + '\n//-->\n</' + 'script>');
		}

		f = capExtent.onmousemove.toString().match(/function[ ]+(\w*)\(/);
		if (f&&f[1] != 'annoymous') capExtent.onmousemove = olMouseMove;
	}


	////////
	// PLUGIN REGISTRATIONS
	////////
	registerHook("createPopup",generatePopUp,FAFTER);
	registerHook("hideObject",showSelectBox,FAFTER);
	olHideForm=1;
}