var carpeta = { 

	ChPrice : function (selec,id){
	
		var elm = document.getElementById(selec);
		var elm2 = document.getElementById('name_'+id);
		
                elm  =  elm.value;
		var elm3 =  elm2.value;
		
		if(elm3 == "empty")	
			elm2.value = elm;
		else
			elm2.value = elm3+'_'+elm;

		if(elm == 'empty'){
			alert('Choice One');
			return;
		}
		
		var yagu        = new yaguajax();

                yagu.addVar ('datos',elm);

                yagu.addVar ('option',selec);

                yagu.simpleRequest('../modules/carpeta.php','POST',this,'postPrice');

	},

	postPrice : function (contents){

		var elm = document.getElementById('price');

		var valor = elm.value;
		    valor = valor.replace('$','');
		var newValor = parseFloat(valor) + parseFloat(contents);

                elm.value='$'+newValor; alert(elm.value);
	},
	
	addedProduct : function (contents) {

		var elm = document.getElementById('product');
		
		elm.innerHTML=contents;

	}
}