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applications/htmlroot/overlib_anchor.js  view on Meta::CPAN

	return getRefById(aObj, o3_frame.document) || getRefByName(aObj, o3_frame.document)
}

// Adapted to overlib from jwin by Jason Anderson -- http://www.jwinlib.com
function getAnchorLocation(objRef){
	var mkObj, of, offsets, mlyr
	
	mkObj = mlyr = objRef
	offsets = [o3_anchorx, o3_anchory]
	
	if (document.layers){
		if (typeof mlyr.length != 'undefined' &&  mlyr.length > 1) {
				mkObj = mlyr[0]
				offsets[0] += mlyr[0].x + mlyr[1].pageX
				offsets[1] += mlyr[0].y + mlyr[1].pageY
			} else {
				if(mlyr.toString().indexOf('Image') != -1 || mlyr.toString().indexOf('Anchor') != -1){
					offsets[0] += mlyr.x
					offsets[1] += mlyr.y
				} else {
					offsets[0] += mlyr.pageX
					offsets[1] += mlyr.pageY
				}
			}          
	} else {
		offsets[0] += pageLocation(mlyr, 'Left')
		offsets[1] += pageLocation(mlyr, 'Top')
	}
	
	of = getAnchorOffsets(mkObj)
	
	if (typeof o3_dragimg != 'undefined' &&  o3_dragimg) {
		olImgLeft = offsets[0];
		olImgTop = offsets[1];
	}
	
	offsets[0] += of[0]                    
	offsets[1] += of[1]
	
	if (typeof o3_dragimg != 'undefined' &&  o3_dragimg) {
		olImgRight = offsets[0]; 
		olImgBottom = offsets[1];
		return;
	}
	
	return offsets;
}

// Adapted to overlib from jwin by Jason Anderson -- http://www.jwinlib.com
function getAnchorOffsets(mkObj){
	var fx = fy = 0,  mp, puc, mkAry, sx = sy = 0, w = o3_anchoralign  
	var mW = mH = pW = pH = 0
	var off = [0, 0]

	mkAry = w.split(',');

	if (mkAry.length < 3) {
		mp = mkAry[0].toUpperCase();
		puc = (mkAry.length == 1) ? mp : mkAry[1].toUpperCase();
	} else if (mkAry.length == 3) {
		if (!isNaN(mkAry[0])) {
			mp = mkAry.slice(0, 2);
			puc = mkAry[2].toUpperCase();
		 } else {
			mp = mkAry[0].toUpperCase();
			puc = mkAry.slice(1);
		 }
	} else {
		mp = mkAry.slice(0, 2);
		puc = mkAry.slice(2);
	}

	var shdwPresent = typeof o3_shadow != 'undefined' &&  o3_shadow

	if (shdwPresent) {
		sx = Math.abs(o3_shadowx);
		sy = Math.abs(o3_shadowy);
	}

	pW = (shdwPresent ? parseInt(o3_width) : (olNs4 ? over.clip.width : over.offsetWidth))
	pH = (shdwPresent ? parseInt(o3_aboveheight) : (olNs4 ? over.clip.height : over.offsetHeight))

	if (olOp &&  o3_wrap) {
		pW = (shdwPresent ? parseInt(o3_width) : (olNs4 ? over.clip.width : over.offsetWidth))
		pH = (shdwPresent ? parseInt(o3_aboveheight) : (olNs4 ? over.clip.height : over.offsetHeight))
	}

	if (!olOp &&  mkObj.toString().indexOf('Image') != -1){
		mW = mkObj.width
		mH = mkObj.height
	} else if (!olOp &&  mkObj.toString().indexOf('Anchor') != -1) {  // enforced only for NS4
		mp = 'UL'
	} else {
		mW = (olNs4) ? mkObj.clip.width : mkObj.offsetWidth
		mH = (olNs4) ? mkObj.clip.height : mkObj.offsetHeight
	}

	if (!isNaN(mp) || typeof mp == 'object') {
		if (typeof mp == 'object') {
			fx = parseFloat(mp[0]);
			fy = parseFloat(mp[1]);
		} else
			fx = fy = parseFloat(mp);
		off = [Math.round(fx*mW), Math.round(fy*mH)];
	} else {
		 if (mp == 'UR') off = [mW, 0]
		 else if (mp == 'LL') off = [0, mH]
		 else if (mp == 'LR') off = [mW, mH]
	}

	if (typeof o3_dragimg != 'undefined' &&  o3_dragimg) return off;
	else {
		if (!isNaN(puc) || typeof puc == 'object' ) {
			if (typeof puc == 'object') {
				fx = parseFloat(puc[0]);
				fy = parseFloat(puc[1]);
			} else
				fx = fy = parseFloat(puc);
			off[0] -= Math.round(fx*(pW - sx));
			off[1] -= Math.round(fy*(pH - sy));
		} else {
			if (puc == 'UR') {
				off[0] -= (pW - sx); 
				off[1] -= sy
			} else if (puc == 'LL') {
				off[0] -= sx;
				off[1] -= (pH - sy)
			} else if (puc == 'LR') {
				off[0] -= (pW-sx);
				off[1] -= (pH - sy)
			}
		}
		return off
	}
}

// Adapted to overlib from jwin by Jason Anderson -- http://www.jwinlib.com
function pageLocation(o, t){
	var x = 0

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

	return x
} 

// Adapted to overlib from jwin by Jason Anderson -- http://www.jwinlib.com
function getRefById(l, d){
	var r = "", j

	d = (d || document)
	if (d.all) return d.all[l]    
	else if (d.getElementById) return d.getElementById(l)
	else if (d.layers &&  d.layers.length > 0) {
		if (d.layers[l]) return d.layers[l]
		
		for (j=0; j < d.layers.length; j++) {
			r = getRefById(l, d.layers[j].document)
			if(r) return r               
		}
	}

	return false
}

// Adapted to overlib from jwin by Jason Anderson -- http://www.jwinlib.com
function getRefByName(l, d) {
	var r = null, j

	d = (d || document)