function supplierShowHide(id, path){
	var oSupplier = document.getElementById('supplier_' + id);
	var oImg = document.getElementById('img_' + id);
	if(oSupplier.offsetHeight == 0){
		oSupplier.style.display = '';
		oImg.src = path+'supplier_open.gif';
	}	else {
		oSupplier.style.display = 'none';
		oImg.src = path+'supplier_close.gif';
	}
}