/******************************************************************************
	Nagyítás
******************************************************************************/
function zoom(kepszam, kepnev)
{
	ablak = window.open("kepzoom.php?kepszam="+kepszam+"&kepnev="+kepnev+"", "kepzoom", "width=440, height=355, location=no, menubar=no, resizable=no, scrollbars=no, status=no, toolbar=no, directories=no");
}

/******************************************************************************
	Drag and Drop
******************************************************************************/

function DragAndDrop(pDivHand, pDivId, pLeft, pRight, pTop, pBottom)
{
	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;
		}
	};

	var fullWidth = 0;
	var fullHeight = 0;
	var myRight = 0;
	var myBottom = 0;
	if(typeof(window.innerWidth) == 'number') {
		//Non-IE
		fullWidth = window.innerWidth;
		fullHeight = window.innerHeight;
	} else if(document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) {
		//IE 6+ in 'standards compliant mode'
		fullWidth = document.documentElement.clientWidth;
		fullHeight = document.documentElement.clientHeight;
	} else if(document.body && (document.body.clientWidth || document.body.clientHeight)) {
		//IE 4 compatible
		fullWidth = document.body.clientWidth;
		fullHeight = document.body.clientHeight;
	}
	
	myRight = fullWidth - 740;
	myBottom = fullHeight - 440;

	Drag.init(pDivHand, pDivId, pLeft, myRight, pTop, myBottom);
}