function changenav(x)
{
	var navobj;
	var i;
	
	for(i=1;i<=5;i++)
	{
		navobj=parent.document.getElementById("nav"+i);
		navobj.className=(i==x ? "navigationsel" : "navigation");
	}
	
	if(x==4)
	{
		to_recipe(true);
	}else{
		to_recipe(false);
	}

}

function to_recipe(recipe)
{
	var recobj;
	var objtop;
	var objleft;
		
	if(recipe)
	{
		recobj=parent.document.getElementById("leftrecipe");
		if(recobj.style.visibility!="visible")
		{
			recobj=parent.document.getElementById("recipe2");
			recobj.src="images/left2recipe.jpg";
			recobj=parent.document.getElementById("recipe5");
			recobj.style.backgroundImage="url(images/left5recipe.jpg)";
			recobj=parent.document.getElementById("recipe8");
			recobj.src="images/left8recipe.jpg";
			
			recobj=parent.document.getElementById("leftmain");
			objtop=findPosY(recobj);
			objleft=findPosX(recobj);		
			recobj.style.visibility="hidden";
			
			recobj=parent.document.getElementById("leftrecipe");
			recobj.style.width=162+"px";
			recobj.style.height=227+"px";
			//recobj.style.top=objtop+"px";
			recobj.style.left=objleft+"px";
			recobj.style.visibility="visible";		
		}
		
	}else{
		recobj=parent.document.getElementById("leftmain");
		if(recobj.style.visibility!="visible")
		{
			recobj=parent.document.getElementById("recipe2");
			recobj.src="images/left2.jpg";
			recobj=parent.document.getElementById("recipe5");
			recobj.style.backgroundImage="url(images/left5.jpg)";
			recobj=parent.document.getElementById("recipe8");
			recobj.src="images/left8.jpg";
		
			recobj=parent.document.getElementById("leftrecipe");
			recobj.style.visibility="hidden";
			recobj=parent.document.getElementById("leftmain");
			recobj.style.visibility="visible";
		}
	}
	
}

function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}

function showrecipe(pagename,targetwin)
{
	var win;
	win=window.open(pagename,targetwin);
	win.focus();
}

function printrecipe(pagename,targetwin)
{
	var win;
	win=window.open(pagename,targetwin);
	win.focus();
	win.print();
}