// Gets the width and height of the browser window
function getWindowSize() {
	var winW = 630;
	var winH = 460;
	
	if(parseInt(navigator.appVersion)>3) {
		if(navigator.appName=="Netscape") {
			winW = window.innerWidth;
			winH = window.innerHeight;
		} else if(navigator.appName.indexOf("Microsoft")!=-1) {
			winW = document.body.offsetWidth;
			winH = document.body.offsetHeight;
		}
		
		return [winW, winH];
	}
}

// Finds the current offset position of the calling element
function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}

// Displays the pop-up div
function create_popup_div(divid,callid){
	var win_size = getWindowSize();
	var offset = findPos(document.getElementById(callid));
	var plustop = (arguments[2])?arguments[2]:0;
	var plusleft = (arguments[3])?arguments[3]:0;
	var totalleft = offset[0] + plusleft;
	var totaltop = offset[1] + plustop;
	document.getElementById(divid).style.left = totalleft + "px";
	document.getElementById(divid).style.top = totaltop + "px";
	document.getElementById(divid).style.display = "";
}

// Holds the popup div while rolling over it
function hold_popup_div(divid){
	document.getElementById(divid).style.display = "";
}

// Removes the popup div
function destroy_popup_div(divid){
	document.getElementById(divid).style.display = "none";
}

// Controls the Golf Personalization Form Div
function golfDiv(caller, shopsite_id, cart)
{
	var xmas = arguments[3] ? arguments[3] : false;
	var logoGolf = arguments[4] ? arguments[4] : false;
	var product_id = arguments[5] ? arguments[5] : 0;
	
	if(xmas == 'stocking')
	{
		document.getElementById("xmas_line2").style.display = "block";
	}
	else if(xmas == 'santahat')
	{
		document.getElementById("xmas_line2").style.display = "none";
		document.getElementById("xmas_line2").style.value = "";
	}
	
	var whichPI = xmas ? "xmas" : "golf";
	
	if(!xmas)
	{
		if(logoGolf)
		{
			document.getElementById("golf_text_pi").style.display = "none";
			document.getElementById("golf_logo_pi").style.display = "block";
			document.getElementById("golf_text_golfer").style.display = "none";
			document.getElementById("golf_logo_golfer").style.display = "block";
			document.getElementById("golf_ball_uppercase_warning").style.display = "none";
			document.getElementById("golfball_product_id").value = product_id;
			document.getElementById("golf_ball_second_upload").style.display = (logoGolf > 1) ? "block" : "none";
		}
		else
		{
			document.getElementById("golf_text_pi").style.display = "block";
			document.getElementById("golf_logo_pi").style.display = "none";
			document.getElementById("golf_text_golfer").style.display = "block";
			document.getElementById("golf_logo_golfer").style.display = "none";
			document.getElementById("golf_ball_uppercase_warning").style.display = "block";
			document.getElementById("golf_ball_second_upload").style.display = "none";
		}
	}
	
	document.getElementById(whichPI + "_ss_id").value = shopsite_id;
	document.getElementById(whichPI + "_cart_id").value = cart;
	create_popup_div(whichPI + "_div", caller, 0, -200);
}

/*********************************************************************************
//	
//	Drag/Drop Function - www.youngpup.net
//	
//	Everything self contained, to call on a page add this:
//	
//	<script type="text/javascript">
//		variable = document.getElementById( id of the dragable div );
//		Drag.init( div variable );
//	</script>
//	
//	Can also pass a second paramater to make a child element control the drag
//	Handle element must be set to a variable via getElementById as well
//	
//	Becomes: Drag.init( handle variable , div variable );
//	
//	Also note: You can constrain drag area via optional min/max paramaters
//	
*********************************************************************************/

var Drag = {

	obj : null,

	init : function(o, oRoot, minX, maxX, minY, maxY, bSwapHorzRef, bSwapVertRef, fXMapper, fYMapper)
	{
		o.onmousedown	= Drag.start;

		o.hmode			= bSwapHorzRef ? false : true ;
		o.vmode			= bSwapVertRef ? false : true ;

		o.root = oRoot && oRoot != null ? oRoot : o ;

		if (o.hmode  && isNaN(parseInt(o.root.style.left  ))) o.root.style.left   = "0px";
		if (o.vmode  && isNaN(parseInt(o.root.style.top   ))) o.root.style.top    = "0px";
		if (!o.hmode && isNaN(parseInt(o.root.style.right ))) o.root.style.right  = "0px";
		if (!o.vmode && isNaN(parseInt(o.root.style.bottom))) o.root.style.bottom = "0px";

		o.minX	= typeof minX != 'undefined' ? minX : null;
		o.minY	= typeof minY != 'undefined' ? minY : null;
		o.maxX	= typeof maxX != 'undefined' ? maxX : null;
		o.maxY	= typeof maxY != 'undefined' ? maxY : null;

		o.xMapper = fXMapper ? fXMapper : null;
		o.yMapper = fYMapper ? fYMapper : null;

		o.root.onDragStart	= new Function();
		o.root.onDragEnd	= new Function();
		o.root.onDrag		= new Function();
	},

	start : function(e)
	{
		var o = Drag.obj = this;
		e = Drag.fixE(e);
		var y = parseInt(o.vmode ? o.root.style.top  : o.root.style.bottom);
		var x = parseInt(o.hmode ? o.root.style.left : o.root.style.right );
		o.root.onDragStart(x, y);

		o.lastMouseX	= e.clientX;
		o.lastMouseY	= e.clientY;

		if (o.hmode) {
			if (o.minX != null)	o.minMouseX	= e.clientX - x + o.minX;
			if (o.maxX != null)	o.maxMouseX	= o.minMouseX + o.maxX - o.minX;
		} else {
			if (o.minX != null) o.maxMouseX = -o.minX + e.clientX + x;
			if (o.maxX != null) o.minMouseX = -o.maxX + e.clientX + x;
		}

		if (o.vmode) {
			if (o.minY != null)	o.minMouseY	= e.clientY - y + o.minY;
			if (o.maxY != null)	o.maxMouseY	= o.minMouseY + o.maxY - o.minY;
		} else {
			if (o.minY != null) o.maxMouseY = -o.minY + e.clientY + y;
			if (o.maxY != null) o.minMouseY = -o.maxY + e.clientY + y;
		}

		document.onmousemove	= Drag.drag;
		document.onmouseup		= Drag.end;

		return false;
	},

	drag : function(e)
	{
		e = Drag.fixE(e);
		var o = Drag.obj;

		var ey	= e.clientY;
		var ex	= e.clientX;
		var y = parseInt(o.vmode ? o.root.style.top  : o.root.style.bottom);
		var x = parseInt(o.hmode ? o.root.style.left : o.root.style.right );
		var nx, ny;

		if (o.minX != null) ex = o.hmode ? Math.max(ex, o.minMouseX) : Math.min(ex, o.maxMouseX);
		if (o.maxX != null) ex = o.hmode ? Math.min(ex, o.maxMouseX) : Math.max(ex, o.minMouseX);
		if (o.minY != null) ey = o.vmode ? Math.max(ey, o.minMouseY) : Math.min(ey, o.maxMouseY);
		if (o.maxY != null) ey = o.vmode ? Math.min(ey, o.maxMouseY) : Math.max(ey, o.minMouseY);

		nx = x + ((ex - o.lastMouseX) * (o.hmode ? 1 : -1));
		ny = y + ((ey - o.lastMouseY) * (o.vmode ? 1 : -1));

		if (o.xMapper)		nx = o.xMapper(y)
		else if (o.yMapper)	ny = o.yMapper(x)

		Drag.obj.root.style[o.hmode ? "left" : "right"] = nx + "px";
		Drag.obj.root.style[o.vmode ? "top" : "bottom"] = ny + "px";
		Drag.obj.lastMouseX	= ex;
		Drag.obj.lastMouseY	= ey;

		Drag.obj.root.onDrag(nx, ny);
		return false;
	},

	end : function()
	{
		document.onmousemove = null;
		document.onmouseup   = null;
		Drag.obj.root.onDragEnd(	parseInt(Drag.obj.root.style[Drag.obj.hmode ? "left" : "right"]), 
									parseInt(Drag.obj.root.style[Drag.obj.vmode ? "top" : "bottom"]));
		Drag.obj = null;
	},

	fixE : function(e)
	{
		if (typeof e == 'undefined') e = window.event;
		if (typeof e.layerX == 'undefined') e.layerX = e.offsetX;
		if (typeof e.layerY == 'undefined') e.layerY = e.offsetY;
		return e;
	}
};