var flagProd = 0;
var flagPart = 0;	
var toggleDd = function(o,params){
	
			if(params.element == 'byProd'){
				flag = flagProd;
				var ctrl = "bP";
			}else{
				flag = flagPart;
				var ctrl = "bPt";
			}

		if(params.type=="open" && flag == 0){
			YAHOO.util.Dom.setStyle(params.element,'display','block');
			document.getElementById(ctrl).innerHTML="–";
			
			if(params.element == 'byProd'){
				flagProd = 1;
			}else{
				flagPart = 1;
			}
			
		}else{
			YAHOO.util.Dom.setStyle(params.element,'display','none');
			
			document.getElementById(ctrl).innerHTML="+";
			
			if(params.element == 'byProd'){
				flagProd = 0;
			}else{
				flagPart = 0;
			}
		}

		
	}