// JavaScript Document
/*function showhide(o,st)
{
 if (typeof(o)=="string")
 {
  o=document.getElementById(o);
 }
 if (!o)
 {
  return;
 }
 if (typeof(st)!="boolean")
 {
  st=(o.style.display=="none");
 }
 o.style.display=(st) ? "" : "none";
 return st;
}*/

function menuToggle(tab){
	var NumTabs = 13;
	var item_num = tab.substr(2,2);
	for (i=1; i<=NumTabs; i++)
	{
		var m = document.getElementById('m_'+ i);
		var sm = document.getElementById('sm_'+ i);
		if (i==item_num)
		{
		m.className = (m.className=="") ? "active" : "";
		sm.className = (sm.className=="subnav") ? "subnav hide" : "subnav";
		}
		else
		{
		m.className = "";
		sm.className = "subnav hide";
		}
	}
}

function updatequant(quan, whichbox, minamount)
	{
		newquant = parseFloat(whichbox.value) + quan;
		
		if(newquant < minamount && quan == -1){
			newquant = 0;
		}

		if(newquant < minamount && quan == 1){
			newquant = minamount;
		}

		if (newquant >= 0){
			whichbox.value = newquant;
		}
	}
	
function updatebasket()
	{	
		document.getElementById("ubasket").submit();
	}
	
	
	
function popup(url,winname,w,h,feat)
{
	if (!(isNaN(w) || isNaN(h)))
	{
		var x=parseInt((screen.width-w)/2);
		var y=parseInt((screen.height-h)/2);
		if (x<0)	x=0;
		if (y<0)	y=0;
		
		if (feat!=null && feat!="")
		{
			feat=","+feat;
		}
		else
		{
			feat="";
		}
		feat="left="+x+",top="+y+",width="+w+",height="+h+feat;
	}
	window.open(url,winname,feat);
}

function openTerms() {
	popup(dotdotpath+"terms/","terms",500,500,"scrollbars=1");
}

function setActiveLink(where,which){
	var div = document.getElementById(where);
	var lnkid = which.substr(3,2);
	var links = div.getElementsByTagName("a");
	var numlinks = links.length;
	
	for(i=1; i<=numlinks; i++){
		var m = document.getElementById('fr_'+ i);
		if(i==lnkid){
			m.className = "active";
		}else{
			m.className="";
		}
	}
}