var poststring = '';
var roundcount = 0;

function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

function resetNuggets() {
	var rowstring = '';

	roundcount = 0;	
	poststring = '';
	frames['solver-cgi-frame'].location.href = "blank.html";

	allnuggetels = getElementsByClass('nugget', document.getElementById('solver'));

	for (var i = 0; i < allnuggetels.length; i++)
	{
		allnuggetels[i].style.visibility='visible';
	}
	if (cssjs('check',document.getElementById('minerow'),'inactive'))
	{
			      cssjs('swap',document.getElementById('minerow'),'inactive','active');	
	}
	if (cssjs('check',document.getElementById('playerrow'),'active'))
	{
			      cssjs('swap',document.getElementById('playerrow'),'active','inactive');	
	}
	if (cssjs('check',document.getElementById('opponentrow'),'active'))
	{
			      cssjs('swap',document.getElementById('opponentrow'),'active','inactive');	
	}
}

function clickNugget(o,n) { 
 if (cssjs('check',o.parentNode,'active'))
 {
	 poststring += n.toString() + '\n';

	 o.style.visibility = 'hidden';
	 
	 switch(o.parentNode.id) {
 			 case 'minerow':
			      cssjs('swap',document.getElementById('playerrow'),'inactive','active');	
			      document.solutionForm.nuggetSequence.value=poststring;

			      document.solutionForm.submit();
			 break;
			 case 'playerrow':
			      cssjs('swap',document.getElementById('opponentrow'),'inactive','active');
			      frames['solver-cgi-frame'].location.href = "blank.html";
			 break;
			 case 'opponentrow':
			      cssjs('swap',document.getElementById('minerow'),'inactive','active');	
			      roundcount++;
			      if (roundcount == 6)
			      {
			      	resetNuggets();	
			      	return;
			      }
			 break;
	 }
	 cssjs('swap',o.parentNode,'active','inactive');	
 }
}