if (document.layers) {
				firstBit='document.layers["';
				secondBit='"]';
				styleRef='';
				leftVar='.left';
				topVar='.top';
				heightVar='.clip.height';
				widthVar='.clip.width';
} else if (document.all) {
				firstBit='document.all["';
				secondBit='"]';
				styleRef='.style';
				leftVar='.posLeft';
				topVar='.posTop';
				heightVar='.clientHeight';
				widthVar='.clientWidth';
  } else if (document.getElementById) {
				firstBit='document.getElementById("';
				secondBit='")';
				styleRef='.style';
				leftVar='.left';
				topVar='.top';
				heightVar='.clientHeight';
				widthVar='.clientWidth';
	}

function showLayer(layerName){ eval(firstBit+layerName+secondBit+styleRef+'.visibility="visible"'); }
function hideLayer(layerName){ eval(firstBit+layerName+secondBit+styleRef+'.visibility="hidden"'); }
function getXpos(layerName) { return eval(firstBit+layerName+secondBit+styleRef+leftVar); }
function getYpos(layerName) {	return eval(firstBit+layerName+secondBit+styleRef+topVar); }
function getHeight(layerName) { return eval(firstBit+layerName+secondBit+heightVar); }
function getWidth(layerName) { return eval(firstBit+layerName+secondBit+widthVar); }
function moveLayer(layerName,whereToX,whereToY) { 
   eval(firstBit+layerName+secondBit+styleRef+leftVar+'='+whereToX);
	 eval(firstBit+layerName+secondBit+styleRef+topVar+'='+whereToY);
}
function setToAnchor(name,layerName) {
	var c = getAnchorPosition(name);
	tempObjX=eval(firstBit+layerName+secondBit+styleRef+leftVar);
	tempObjX=c.x;
	tempObjY=eval(firstBit+layerName+secondBit+styleRef+topVar);
	tempObjY=c.Y;
}

// getAnchorPosition(anchorname)
//   This function returns an object having .x and .y properties which are the coordinates
//   of the named anchor, relative to the page.
function getAnchorPosition(anchorname) {
	// This function will return an Object with x and y properties
	var useWindow=false;
	var coordinates=new Object();
	var x=0,y=0;
	// Browser capability sniffing
	var use_gebi=false, use_css=false, use_layers=false;
	if (document.getElementById) { use_gebi=true; }
	else if (document.all) { use_css=true; }
	else if (document.layers) { use_layers=true; }
	// Logic to find position
 	if (use_gebi && document.all) {
		x=AnchorPosition_getPageOffsetLeft(document.all[anchorname]);
		y=AnchorPosition_getPageOffsetTop(document.all[anchorname]);
		}
	else if (use_gebi) {
		var o=document.getElementById(anchorname);
		x=AnchorPosition_getPageOffsetLeft(o);
		y=AnchorPosition_getPageOffsetTop(o);
		}
 	else if (use_css) {
		x=AnchorPosition_getPageOffsetLeft(document.all[anchorname]);
		y=AnchorPosition_getPageOffsetTop(document.all[anchorname]);
		}
	else if (use_layers) {
		var found=0;
		for (var i=0; i<document.anchors.length; i++) {
			if (document.anchors[i].name==anchorname) { found=1; break; }
			}
		if (found==0) {
			coordinates.x=0; coordinates.y=0; return coordinates;
			}
		x=document.anchors[i].x;
		y=document.anchors[i].y;
		}
	else {
		coordinates.x=0; coordinates.y=0; return coordinates;
		}
	coordinates.x=x;
	coordinates.y=y;
	return coordinates;
	}

// getAnchorWindowPosition(anchorname)
//   This function returns an object having .x and .y properties which are the coordinates
//   of the named anchor, relative to the window
function getAnchorWindowPosition(anchorname) {
	var coordinates=getAnchorPosition(anchorname);
	var x=0;
	var y=0;
	if (document.getElementById) {
		if (isNaN(window.screenX)) {
			x=coordinates.x-document.body.scrollLeft+window.screenLeft;
			y=coordinates.y-document.body.scrollTop+window.screenTop;
			}
		else {
			x=coordinates.x+window.screenX+(window.outerWidth-window.innerWidth)-window.pageXOffset;
			y=coordinates.y+window.screenY+(window.outerHeight-24-window.innerHeight)-window.pageYOffset;
			}
		}
	else if (document.all) {
		x=coordinates.x-document.body.scrollLeft+window.screenLeft;
		y=coordinates.y-document.body.scrollTop+window.screenTop;
		}
	else if (document.layers) {
		x=coordinates.x+window.screenX+(window.outerWidth-window.innerWidth)-window.pageXOffset;
		y=coordinates.y+window.screenY+(window.outerHeight-24-window.innerHeight)-window.pageYOffset;
		}
	coordinates.x=x;
	coordinates.y=y;
	return coordinates;
	}

// Functions for IE to get position of an object
function AnchorPosition_getPageOffsetLeft (el) {
	var ol=el.offsetLeft;
	while ((el=el.offsetParent) != null) { ol += el.offsetLeft; }
	return ol;
	}
function AnchorPosition_getWindowOffsetLeft (el) {
	return AnchorPosition_getPageOffsetLeft(el)-document.body.scrollLeft;
	}	
function AnchorPosition_getPageOffsetTop (el) {
	var ot=el.offsetTop;
	while((el=el.offsetParent) != null) { ot += el.offsetTop; }
	return ot;
	}
function AnchorPosition_getWindowOffsetTop (el) {
	return AnchorPosition_getPageOffsetTop(el)-document.body.scrollTop;
	}