function doClick(t) 
{
    switch(t)
    {
        case 'supply':
            self.location ="supply.aspx?u="+escape(self.location.search.substring(3));
            break;
        case 'cooperation':
            self.location ="cooperation.aspx?u="+escape(self.location.search.substring(3));
            break;                    
        case 'demand':
            self.location ="demand.aspx?u="+escape(self.location.search.substring(3));
            break;
        case 'product':
            self.location ="product.aspx?u="+escape(self.location.search.substring(3));
            break; 
        case 'article':
            self.location ="article.aspx?u="+escape(self.location.search.substring(3));
            break;                    
        default:
            self.location ="default.aspx?u="+escape(self.location.search.substring(3));
            break;
    }
}